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Finding the Fourth Proportional to 63,964.60, 88,247.82 and 40,092.28

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Solution

The fourth proportional to 63,964.60, 88,247.82 and 40,092.28 is: 55,312.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,964.60 : 88,247.82 = 40,092.28 : x
  2. Step 2: Convert to fraction form
    63,964.60/88,247.82 = 40,092.28/x
  3. Step 3: Cross multiply
    63,964.60x = 88,247.82 × 40,092.28
  4. Step 4: Simplify right side
    63,964.60x = 3,538,056,308.83
  5. Step 5: Solve for x
    x = 3,538,056,308.83/63,964.60
  6. Step 6: Final answer
    x = 55,312.72

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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.