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Finding the Fourth Proportional to 63,734.72, 87,951.62 and 35,439.80

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Solution

The fourth proportional to 63,734.72, 87,951.62 and 35,439.80 is: 48,905.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,734.72 : 87,951.62 = 35,439.80 : x
  2. Step 2: Convert to fraction form
    63,734.72/87,951.62 = 35,439.80/x
  3. Step 3: Cross multiply
    63,734.72x = 87,951.62 × 35,439.80
  4. Step 4: Simplify right side
    63,734.72x = 3,116,987,471.32
  5. Step 5: Solve for x
    x = 3,116,987,471.32/63,734.72
  6. Step 6: Final answer
    x = 48,905.65

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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.