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Finding the Fourth Proportional to 68,443.54, 94,450.13 and 38,227.97

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Solution

The fourth proportional to 68,443.54, 94,450.13 and 38,227.97 is: 52,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,443.54 : 94,450.13 = 38,227.97 : x
  2. Step 2: Convert to fraction form
    68,443.54/94,450.13 = 38,227.97/x
  3. Step 3: Cross multiply
    68,443.54x = 94,450.13 × 38,227.97
  4. Step 4: Simplify right side
    68,443.54x = 3,610,636,545.00
  5. Step 5: Solve for x
    x = 3,610,636,545.00/68,443.54
  6. Step 6: Final answer
    x = 52,753.51

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1.5x scale

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.