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Finding the Fourth Proportional to 63,475.31, 87,587.84 and 36,617.87

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Solution

The fourth proportional to 63,475.31, 87,587.84 and 36,617.87 is: 50,527.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,475.31 : 87,587.84 = 36,617.87 : x
  2. Step 2: Convert to fraction form
    63,475.31/87,587.84 = 36,617.87/x
  3. Step 3: Cross multiply
    63,475.31x = 87,587.84 × 36,617.87
  4. Step 4: Simplify right side
    63,475.31x = 3,207,279,517.67
  5. Step 5: Solve for x
    x = 3,207,279,517.67/63,475.31
  6. Step 6: Final answer
    x = 50,527.99

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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.