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Finding the Fourth Proportional to 54,488.76, 81,737.82 and 15,045.87

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Solution

The fourth proportional to 54,488.76, 81,737.82 and 15,045.87 is: 22,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,488.76 : 81,737.82 = 15,045.87 : x
  2. Step 2: Convert to fraction form
    54,488.76/81,737.82 = 15,045.87/x
  3. Step 3: Cross multiply
    54,488.76x = 81,737.82 × 15,045.87
  4. Step 4: Simplify right side
    54,488.76x = 1,229,816,613.80
  5. Step 5: Solve for x
    x = 1,229,816,613.80/54,488.76
  6. Step 6: Final answer
    x = 22,570.10

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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.