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Finding the Fourth Proportional to 41.08, 61.44 and 40.54

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Solution

The fourth proportional to 41.08, 61.44 and 40.54 is: 60.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.08 : 61.44 = 40.54 : x
  2. Step 2: Convert to fraction form
    41.08/61.44 = 40.54/x
  3. Step 3: Cross multiply
    41.08x = 61.44 × 40.54
  4. Step 4: Simplify right side
    41.08x = 2,490.78
  5. Step 5: Solve for x
    x = 2,490.78/41.08
  6. Step 6: Final answer
    x = 60.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.