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Finding the Fourth Proportional to 39,472.71, 54,508.71 and 25,350.15

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Solution

The fourth proportional to 39,472.71, 54,508.71 and 25,350.15 is: 35,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,472.71 : 54,508.71 = 25,350.15 : x
  2. Step 2: Convert to fraction form
    39,472.71/54,508.71 = 25,350.15/x
  3. Step 3: Cross multiply
    39,472.71x = 54,508.71 × 25,350.15
  4. Step 4: Simplify right side
    39,472.71x = 1,381,803,974.81
  5. Step 5: Solve for x
    x = 1,381,803,974.81/39,472.71
  6. Step 6: Final answer
    x = 35,006.56

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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.