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Finding the Fourth Proportional to 18.44, 27.52 and 16.16

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Solution

The fourth proportional to 18.44, 27.52 and 16.16 is: 24.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18.44 : 27.52 = 16.16 : x
  2. Step 2: Convert to fraction form
    18.44/27.52 = 16.16/x
  3. Step 3: Cross multiply
    18.44x = 27.52 × 16.16
  4. Step 4: Simplify right side
    18.44x = 444.72
  5. Step 5: Solve for x
    x = 444.72/18.44
  6. Step 6: Final answer
    x = 24.12

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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.