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Finding the Fourth Proportional to 41.12, 60.86 and 41.02

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Solution

The fourth proportional to 41.12, 60.86 and 41.02 is: 60.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.12 : 60.86 = 41.02 : x
  2. Step 2: Convert to fraction form
    41.12/60.86 = 41.02/x
  3. Step 3: Cross multiply
    41.12x = 60.86 × 41.02
  4. Step 4: Simplify right side
    41.12x = 2,496.48
  5. Step 5: Solve for x
    x = 2,496.48/41.12
  6. Step 6: Final answer
    x = 60.71

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.