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Finding the Fourth Proportional to 62,608.74, 93,913.11 and 18,238.95

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Solution

The fourth proportional to 62,608.74, 93,913.11 and 18,238.95 is: 27,358.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,608.74 : 93,913.11 = 18,238.95 : x
  2. Step 2: Convert to fraction form
    62,608.74/93,913.11 = 18,238.95/x
  3. Step 3: Cross multiply
    62,608.74x = 93,913.11 × 18,238.95
  4. Step 4: Simplify right side
    62,608.74x = 1,712,876,517.63
  5. Step 5: Solve for x
    x = 1,712,876,517.63/62,608.74
  6. Step 6: Final answer
    x = 27,358.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.