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Finding the Fourth Proportional to 62,859.52, 86,745.13 and 34,179.75

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Solution

The fourth proportional to 62,859.52, 86,745.13 and 34,179.75 is: 47,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,859.52 : 86,745.13 = 34,179.75 : x
  2. Step 2: Convert to fraction form
    62,859.52/86,745.13 = 34,179.75/x
  3. Step 3: Cross multiply
    62,859.52x = 86,745.13 × 34,179.75
  4. Step 4: Simplify right side
    62,859.52x = 2,964,926,857.12
  5. Step 5: Solve for x
    x = 2,964,926,857.12/62,859.52
  6. Step 6: Final answer
    x = 47,167.51

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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.