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Finding the Fourth Proportional to 24.28, 33.52 and 18.44

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Solution

The fourth proportional to 24.28, 33.52 and 18.44 is: 25.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    24.28 : 33.52 = 18.44 : x
  2. Step 2: Convert to fraction form
    24.28/33.52 = 18.44/x
  3. Step 3: Cross multiply
    24.28x = 33.52 × 18.44
  4. Step 4: Simplify right side
    24.28x = 618.11
  5. Step 5: Solve for x
    x = 618.11/24.28
  6. Step 6: Final answer
    x = 25.46

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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.