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Finding the Fourth Proportional to 63,951.72, 88,239.96 and 35,656.80

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Solution

The fourth proportional to 63,951.72, 88,239.96 and 35,656.80 is: 49,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,951.72 : 88,239.96 = 35,656.80 : x
  2. Step 2: Convert to fraction form
    63,951.72/88,239.96 = 35,656.80/x
  3. Step 3: Cross multiply
    63,951.72x = 88,239.96 × 35,656.80
  4. Step 4: Simplify right side
    63,951.72x = 3,146,354,605.73
  5. Step 5: Solve for x
    x = 3,146,354,605.73/63,951.72
  6. Step 6: Final answer
    x = 49,198.91

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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.