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Finding the Fourth Proportional to 68,874, 95,042.04 and 38,652.96

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Solution

The fourth proportional to 68,874, 95,042.04 and 38,652.96 is: 53,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874 : 95,042.04 = 38,652.96 : x
  2. Step 2: Convert to fraction form
    68,874/95,042.04 = 38,652.96/x
  3. Step 3: Cross multiply
    68,874x = 95,042.04 × 38,652.96
  4. Step 4: Simplify right side
    68,874x = 3,673,656,170.44
  5. Step 5: Solve for x
    x = 3,673,656,170.44/68,874
  6. Step 6: Final answer
    x = 53,338.80

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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.