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Finding the Fourth Proportional to 62,964.68, 86,893.17 and 34,671.38

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Solution

The fourth proportional to 62,964.68, 86,893.17 and 34,671.38 is: 47,847.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,964.68 : 86,893.17 = 34,671.38 : x
  2. Step 2: Convert to fraction form
    62,964.68/86,893.17 = 34,671.38/x
  3. Step 3: Cross multiply
    62,964.68x = 86,893.17 × 34,671.38
  4. Step 4: Simplify right side
    62,964.68x = 3,012,706,116.47
  5. Step 5: Solve for x
    x = 3,012,706,116.47/62,964.68
  6. Step 6: Final answer
    x = 47,847.56

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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.