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Finding the Fourth Proportional to 43.71, 60.32 and 36.42

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Solution

The fourth proportional to 43.71, 60.32 and 36.42 is: 50.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43.71 : 60.32 = 36.42 : x
  2. Step 2: Convert to fraction form
    43.71/60.32 = 36.42/x
  3. Step 3: Cross multiply
    43.71x = 60.32 × 36.42
  4. Step 4: Simplify right side
    43.71x = 2,196.85
  5. Step 5: Solve for x
    x = 2,196.85/43.71
  6. Step 6: Final answer
    x = 50.26

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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.