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Finding the Fourth Proportional to 41.52, 57.26 and 36.66

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Solution

The fourth proportional to 41.52, 57.26 and 36.66 is: 50.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.52 : 57.26 = 36.66 : x
  2. Step 2: Convert to fraction form
    41.52/57.26 = 36.66/x
  3. Step 3: Cross multiply
    41.52x = 57.26 × 36.66
  4. Step 4: Simplify right side
    41.52x = 2,099.15
  5. Step 5: Solve for x
    x = 2,099.15/41.52
  6. Step 6: Final answer
    x = 50.56

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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.