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Finding the Fourth Proportional to 24.13, 36.15 and 16.89

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Solution

The fourth proportional to 24.13, 36.15 and 16.89 is: 25.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.13 : 36.15 = 16.89 : x
  2. Step 2: Convert to fraction form
    24.13/36.15 = 16.89/x
  3. Step 3: Cross multiply
    24.13x = 36.15 × 16.89
  4. Step 4: Simplify right side
    24.13x = 610.48
  5. Step 5: Solve for x
    x = 610.48/24.13
  6. Step 6: Final answer
    x = 25.31

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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.