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Finding the Fourth Proportional to 16.24, 24.24 and 13.52

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Solution

The fourth proportional to 16.24, 24.24 and 13.52 is: 20.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.24 : 24.24 = 13.52 : x
  2. Step 2: Convert to fraction form
    16.24/24.24 = 13.52/x
  3. Step 3: Cross multiply
    16.24x = 24.24 × 13.52
  4. Step 4: Simplify right side
    16.24x = 327.72
  5. Step 5: Solve for x
    x = 327.72/16.24
  6. Step 6: Final answer
    x = 20.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.