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Finding the Fourth Proportional to 49,019.80, 73,532.10 and 25,691.80

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Solution

The fourth proportional to 49,019.80, 73,532.10 and 25,691.80 is: 38,538.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,019.80 : 73,532.10 = 25,691.80 : x
  2. Step 2: Convert to fraction form
    49,019.80/73,532.10 = 25,691.80/x
  3. Step 3: Cross multiply
    49,019.80x = 73,532.10 × 25,691.80
  4. Step 4: Simplify right side
    49,019.80x = 1,889,172,006.78
  5. Step 5: Solve for x
    x = 1,889,172,006.78/49,019.80
  6. Step 6: Final answer
    x = 38,538.96

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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.