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Finding the Fourth Proportional to 43.92, 60.57 and 29.36

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Solution

The fourth proportional to 43.92, 60.57 and 29.36 is: 40.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.92 : 60.57 = 29.36 : x
  2. Step 2: Convert to fraction form
    43.92/60.57 = 29.36/x
  3. Step 3: Cross multiply
    43.92x = 60.57 × 29.36
  4. Step 4: Simplify right side
    43.92x = 1,778.03
  5. Step 5: Solve for x
    x = 1,778.03/43.92
  6. Step 6: Final answer
    x = 40.48

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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.