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Finding the Fourth Proportional to 62,474.34, 86,124.87 and 44,538.20

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Solution

The fourth proportional to 62,474.34, 86,124.87 and 44,538.20 is: 61,398.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,474.34 : 86,124.87 = 44,538.20 : x
  2. Step 2: Convert to fraction form
    62,474.34/86,124.87 = 44,538.20/x
  3. Step 3: Cross multiply
    62,474.34x = 86,124.87 × 44,538.20
  4. Step 4: Simplify right side
    62,474.34x = 3,835,847,061.83
  5. Step 5: Solve for x
    x = 3,835,847,061.83/62,474.34
  6. Step 6: Final answer
    x = 61,398.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.