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Finding the Fourth Proportional to 48,815.87, 73,223.80 and 25,487.87

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Solution

The fourth proportional to 48,815.87, 73,223.80 and 25,487.87 is: 38,231.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,815.87 : 73,223.80 = 25,487.87 : x
  2. Step 2: Convert to fraction form
    48,815.87/73,223.80 = 25,487.87/x
  3. Step 3: Cross multiply
    48,815.87x = 73,223.80 × 25,487.87
  4. Step 4: Simplify right side
    48,815.87x = 1,866,318,265.47
  5. Step 5: Solve for x
    x = 1,866,318,265.47/48,815.87
  6. Step 6: Final answer
    x = 38,231.80

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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.