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Finding the Fourth Proportional to 71,617.38, 98,836.11 and 41,404.38

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Solution

The fourth proportional to 71,617.38, 98,836.11 and 41,404.38 is: 57,140.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,617.38 : 98,836.11 = 41,404.38 : x
  2. Step 2: Convert to fraction form
    71,617.38/98,836.11 = 41,404.38/x
  3. Step 3: Cross multiply
    71,617.38x = 98,836.11 × 41,404.38
  4. Step 4: Simplify right side
    71,617.38x = 4,092,247,856.16
  5. Step 5: Solve for x
    x = 4,092,247,856.16/71,617.38
  6. Step 6: Final answer
    x = 57,140.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.