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Finding the Fourth Proportional to 68,585.54, 94,645.87 and 38,371.39

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Solution

The fourth proportional to 68,585.54, 94,645.87 and 38,371.39 is: 52,951.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,585.54 : 94,645.87 = 38,371.39 : x
  2. Step 2: Convert to fraction form
    68,585.54/94,645.87 = 38,371.39/x
  3. Step 3: Cross multiply
    68,585.54x = 94,645.87 × 38,371.39
  4. Step 4: Simplify right side
    68,585.54x = 3,631,693,257.12
  5. Step 5: Solve for x
    x = 3,631,693,257.12/68,585.54
  6. Step 6: Final answer
    x = 52,951.30

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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.