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Finding the Fourth Proportional to 63,257.80, 87,295.86 and 36,399.78

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Solution

The fourth proportional to 63,257.80, 87,295.86 and 36,399.78 is: 50,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,257.80 : 87,295.86 = 36,399.78 : x
  2. Step 2: Convert to fraction form
    63,257.80/87,295.86 = 36,399.78/x
  3. Step 3: Cross multiply
    63,257.80x = 87,295.86 × 36,399.78
  4. Step 4: Simplify right side
    63,257.80x = 3,177,550,098.91
  5. Step 5: Solve for x
    x = 3,177,550,098.91/63,257.80
  6. Step 6: Final answer
    x = 50,231.75

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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.