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Finding the Fourth Proportional to 39,747.60, 59,718.60 and 29,906.10

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Solution

The fourth proportional to 39,747.60, 59,718.60 and 29,906.10 is: 44,932.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.60 : 59,718.60 = 29,906.10 : x
  2. Step 2: Convert to fraction form
    39,747.60/59,718.60 = 29,906.10/x
  3. Step 3: Cross multiply
    39,747.60x = 59,718.60 × 29,906.10
  4. Step 4: Simplify right side
    39,747.60x = 1,785,950,423.46
  5. Step 5: Solve for x
    x = 1,785,950,423.46/39,747.60
  6. Step 6: Final answer
    x = 44,932.28

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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.