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Finding the Fourth Proportional to 63,602.82, 87,766.74 and 35,307.90

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Solution

The fourth proportional to 63,602.82, 87,766.74 and 35,307.90 is: 48,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,602.82 : 87,766.74 = 35,307.90 : x
  2. Step 2: Convert to fraction form
    63,602.82/87,766.74 = 35,307.90/x
  3. Step 3: Cross multiply
    63,602.82x = 87,766.74 × 35,307.90
  4. Step 4: Simplify right side
    63,602.82x = 3,098,859,279.25
  5. Step 5: Solve for x
    x = 3,098,859,279.25/63,602.82
  6. Step 6: Final answer
    x = 48,722.04

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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.