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Finding the Fourth Proportional to 10,382,100.30, 15,573,150.45 and 10,382,100.30

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Solution

The fourth proportional to 10,382,100.30, 15,573,150.45 and 10,382,100.30 is: 15,573,150.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,382,100.30 : 15,573,150.45 = 10,382,100.30 : x
  2. Step 2: Convert to fraction form
    10,382,100.30/15,573,150.45 = 10,382,100.30/x
  3. Step 3: Cross multiply
    10,382,100.30x = 15,573,150.45 × 10,382,100.30
  4. Step 4: Simplify right side
    10,382,100.30x = 161,682,009,958,890.12
  5. Step 5: Solve for x
    x = 161,682,009,958,890.12/10,382,100.30
  6. Step 6: Final answer
    x = 15,573,150.45

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Double scale
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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.