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Finding the Fourth Proportional to 52.92, 72.97 and 44.75

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Solution

The fourth proportional to 52.92, 72.97 and 44.75 is: 61.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52.92 : 72.97 = 44.75 : x
  2. Step 2: Convert to fraction form
    52.92/72.97 = 44.75/x
  3. Step 3: Cross multiply
    52.92x = 72.97 × 44.75
  4. Step 4: Simplify right side
    52.92x = 3,265.48
  5. Step 5: Solve for x
    x = 3,265.48/52.92
  6. Step 6: Final answer
    x = 61.71

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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.