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Finding the Fourth Proportional to 43.92, 60.71 and 36.63

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Solution

The fourth proportional to 43.92, 60.71 and 36.63 is: 50.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.92 : 60.71 = 36.63 : x
  2. Step 2: Convert to fraction form
    43.92/60.71 = 36.63/x
  3. Step 3: Cross multiply
    43.92x = 60.71 × 36.63
  4. Step 4: Simplify right side
    43.92x = 2,223.62
  5. Step 5: Solve for x
    x = 2,223.62/43.92
  6. Step 6: Final answer
    x = 50.63

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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.