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Finding the Fourth Proportional to 54,472.57, 81,713.57 and 15,029.68

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Solution

The fourth proportional to 54,472.57, 81,713.57 and 15,029.68 is: 22,545.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,472.57 : 81,713.57 = 15,029.68 : x
  2. Step 2: Convert to fraction form
    54,472.57/81,713.57 = 15,029.68/x
  3. Step 3: Cross multiply
    54,472.57x = 81,713.57 × 15,029.68
  4. Step 4: Simplify right side
    54,472.57x = 1,228,128,871.42
  5. Step 5: Solve for x
    x = 1,228,128,871.42/54,472.57
  6. Step 6: Final answer
    x = 22,545.82

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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.