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Finding the Fourth Proportional to 24.11, 33.26 and 14.91

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Solution

The fourth proportional to 24.11, 33.26 and 14.91 is: 20.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.11 : 33.26 = 14.91 : x
  2. Step 2: Convert to fraction form
    24.11/33.26 = 14.91/x
  3. Step 3: Cross multiply
    24.11x = 33.26 × 14.91
  4. Step 4: Simplify right side
    24.11x = 495.94
  5. Step 5: Solve for x
    x = 495.94/24.11
  6. Step 6: Final answer
    x = 20.57

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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.