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Finding the Fourth Proportional to 10,541,601.80, 15,812,402.70 and 10,373,640.20

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Solution

The fourth proportional to 10,541,601.80, 15,812,402.70 and 10,373,640.20 is: 15,560,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,541,601.80 : 15,812,402.70 = 10,373,640.20 : x
  2. Step 2: Convert to fraction form
    10,541,601.80/15,812,402.70 = 10,373,640.20/x
  3. Step 3: Cross multiply
    10,541,601.80x = 15,812,402.70 × 10,373,640.20
  4. Step 4: Simplify right side
    10,541,601.80x = 164,032,176,307,308.53
  5. Step 5: Solve for x
    x = 164,032,176,307,308.53/10,541,601.80
  6. Step 6: Final answer
    x = 15,560,460.30

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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.