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Finding the Fourth Proportional to 41.44, 62.09 and 40.43

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Solution

The fourth proportional to 41.44, 62.09 and 40.43 is: 60.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.44 : 62.09 = 40.43 : x
  2. Step 2: Convert to fraction form
    41.44/62.09 = 40.43/x
  3. Step 3: Cross multiply
    41.44x = 62.09 × 40.43
  4. Step 4: Simplify right side
    41.44x = 2,510.25
  5. Step 5: Solve for x
    x = 2,510.25/41.44
  6. Step 6: Final answer
    x = 60.58

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Why These Related Problems?

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