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Finding the Fourth Proportional to 62,874.62, 86,767.55 and 34,194.56

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Solution

The fourth proportional to 62,874.62, 86,767.55 and 34,194.56 is: 47,188.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,874.62 : 86,767.55 = 34,194.56 : x
  2. Step 2: Convert to fraction form
    62,874.62/86,767.55 = 34,194.56/x
  3. Step 3: Cross multiply
    62,874.62x = 86,767.55 × 34,194.56
  4. Step 4: Simplify right side
    62,874.62x = 2,966,977,717.95
  5. Step 5: Solve for x
    x = 2,966,977,717.95/62,874.62
  6. Step 6: Final answer
    x = 47,188.80

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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.