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Finding the Fourth Proportional to 62,679.73, 86,498.04 and 34,385.41

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Solution

The fourth proportional to 62,679.73, 86,498.04 and 34,385.41 is: 47,451.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,679.73 : 86,498.04 = 34,385.41 : x
  2. Step 2: Convert to fraction form
    62,679.73/86,498.04 = 34,385.41/x
  3. Step 3: Cross multiply
    62,679.73x = 86,498.04 × 34,385.41
  4. Step 4: Simplify right side
    62,679.73x = 2,974,270,569.60
  5. Step 5: Solve for x
    x = 2,974,270,569.60/62,679.73
  6. Step 6: Final answer
    x = 47,451.87

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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.