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Finding the Fourth Proportional to 6,680,901.60, 10,021,352.40 and 6,680,901.60

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Solution

The fourth proportional to 6,680,901.60, 10,021,352.40 and 6,680,901.60 is: 10,021,352.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680,901.60 : 10,021,352.40 = 6,680,901.60 : x
  2. Step 2: Convert to fraction form
    6,680,901.60/10,021,352.40 = 6,680,901.60/x
  3. Step 3: Cross multiply
    6,680,901.60x = 10,021,352.40 × 6,680,901.60
  4. Step 4: Simplify right side
    6,680,901.60x = 66,951,669,283,323.84
  5. Step 5: Solve for x
    x = 66,951,669,283,323.84/6,680,901.60
  6. Step 6: Final answer
    x = 10,021,352.40

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Double scale
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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.