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Finding the Fourth Proportional to 24.11, 33.27 and 13.75

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Solution

The fourth proportional to 24.11, 33.27 and 13.75 is: 18.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.11 : 33.27 = 13.75 : x
  2. Step 2: Convert to fraction form
    24.11/33.27 = 13.75/x
  3. Step 3: Cross multiply
    24.11x = 33.27 × 13.75
  4. Step 4: Simplify right side
    24.11x = 457.34
  5. Step 5: Solve for x
    x = 457.34/24.11
  6. Step 6: Final answer
    x = 18.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.