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Finding the Fourth Proportional to 62,422.80, 93,520.80 and 36,049.20

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Solution

The fourth proportional to 62,422.80, 93,520.80 and 36,049.20 is: 54,008.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,422.80 : 93,520.80 = 36,049.20 : x
  2. Step 2: Convert to fraction form
    62,422.80/93,520.80 = 36,049.20/x
  3. Step 3: Cross multiply
    62,422.80x = 93,520.80 × 36,049.20
  4. Step 4: Simplify right side
    62,422.80x = 3,371,350,023.36
  5. Step 5: Solve for x
    x = 3,371,350,023.36/62,422.80
  6. Step 6: Final answer
    x = 54,008.31

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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.