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Finding the Fourth Proportional to 54,988.52, 82,483.11 and 15,545.97

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Solution

The fourth proportional to 54,988.52, 82,483.11 and 15,545.97 is: 23,319.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988.52 : 82,483.11 = 15,545.97 : x
  2. Step 2: Convert to fraction form
    54,988.52/82,483.11 = 15,545.97/x
  3. Step 3: Cross multiply
    54,988.52x = 82,483.11 × 15,545.97
  4. Step 4: Simplify right side
    54,988.52x = 1,282,279,953.57
  5. Step 5: Solve for x
    x = 1,282,279,953.57/54,988.52
  6. Step 6: Final answer
    x = 23,319.05

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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.