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Finding the Fourth Proportional to 41.69, 62.18 and 40.24

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Solution

The fourth proportional to 41.69, 62.18 and 40.24 is: 60.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    41.69 : 62.18 = 40.24 : x
  2. Step 2: Convert to fraction form
    41.69/62.18 = 40.24/x
  3. Step 3: Cross multiply
    41.69x = 62.18 × 40.24
  4. Step 4: Simplify right side
    41.69x = 2,501.91
  5. Step 5: Solve for x
    x = 2,501.91/41.69
  6. Step 6: Final answer
    x = 60.01

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.