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Finding the Fourth Proportional to 83.46, 125.25 and 44.97

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Solution

The fourth proportional to 83.46, 125.25 and 44.97 is: 67.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    83.46 : 125.25 = 44.97 : x
  2. Step 2: Convert to fraction form
    83.46/125.25 = 44.97/x
  3. Step 3: Cross multiply
    83.46x = 125.25 × 44.97
  4. Step 4: Simplify right side
    83.46x = 5,632.49
  5. Step 5: Solve for x
    x = 5,632.49/83.46
  6. Step 6: Final answer
    x = 67.49

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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.