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Finding the Fourth Proportional to 63,474.20, 87,572.76 and 36,230.72

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Solution

The fourth proportional to 63,474.20, 87,572.76 and 36,230.72 is: 49,986.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,474.20 : 87,572.76 = 36,230.72 : x
  2. Step 2: Convert to fraction form
    63,474.20/87,572.76 = 36,230.72/x
  3. Step 3: Cross multiply
    63,474.20x = 87,572.76 × 36,230.72
  4. Step 4: Simplify right side
    63,474.20x = 3,172,824,147.19
  5. Step 5: Solve for x
    x = 3,172,824,147.19/63,474.20
  6. Step 6: Final answer
    x = 49,986.04

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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.