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Finding the Fourth Proportional to 40.11, 60.17 and 16.06

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Solution

The fourth proportional to 40.11, 60.17 and 16.06 is: 24.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40.11 : 60.17 = 16.06 : x
  2. Step 2: Convert to fraction form
    40.11/60.17 = 16.06/x
  3. Step 3: Cross multiply
    40.11x = 60.17 × 16.06
  4. Step 4: Simplify right side
    40.11x = 966.33
  5. Step 5: Solve for x
    x = 966.33/40.11
  6. Step 6: Final answer
    x = 24.09

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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.