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Finding the Fourth Proportional to 6,602,805.60, 9,904,208.40 and 5,762,997.60

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Solution

The fourth proportional to 6,602,805.60, 9,904,208.40 and 5,762,997.60 is: 8,644,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602,805.60 : 9,904,208.40 = 5,762,997.60 : x
  2. Step 2: Convert to fraction form
    6,602,805.60/9,904,208.40 = 5,762,997.60/x
  3. Step 3: Cross multiply
    6,602,805.60x = 9,904,208.40 × 5,762,997.60
  4. Step 4: Simplify right side
    6,602,805.60x = 57,077,929,239,099.84
  5. Step 5: Solve for x
    x = 57,077,929,239,099.84/6,602,805.60
  6. Step 6: Final answer
    x = 8,644,496.40

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Half scale
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Double scale
Find fourth proportional to 6,602,806.60, 9,904,209.90 and 5,762,998.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.