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Finding the Fourth Proportional to 63,919.92, 88,213.68 and 35,626.44

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Solution

The fourth proportional to 63,919.92, 88,213.68 and 35,626.44 is: 49,166.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,919.92 : 88,213.68 = 35,626.44 : x
  2. Step 2: Convert to fraction form
    63,919.92/88,213.68 = 35,626.44/x
  3. Step 3: Cross multiply
    63,919.92x = 88,213.68 × 35,626.44
  4. Step 4: Simplify right side
    63,919.92x = 3,142,739,377.70
  5. Step 5: Solve for x
    x = 3,142,739,377.70/63,919.92
  6. Step 6: Final answer
    x = 49,166.82

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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.