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Finding the Fourth Proportional to 24.28, 33.48 and 14.57

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Solution

The fourth proportional to 24.28, 33.48 and 14.57 is: 20.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.28 : 33.48 = 14.57 : x
  2. Step 2: Convert to fraction form
    24.28/33.48 = 14.57/x
  3. Step 3: Cross multiply
    24.28x = 33.48 × 14.57
  4. Step 4: Simplify right side
    24.28x = 487.80
  5. Step 5: Solve for x
    x = 487.80/24.28
  6. Step 6: Final answer
    x = 20.09

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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.