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Finding the Fourth Proportional to 16.29, 22.52 and 12.03

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Solution

The fourth proportional to 16.29, 22.52 and 12.03 is: 16.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.29 : 22.52 = 12.03 : x
  2. Step 2: Convert to fraction form
    16.29/22.52 = 12.03/x
  3. Step 3: Cross multiply
    16.29x = 22.52 × 12.03
  4. Step 4: Simplify right side
    16.29x = 270.86
  5. Step 5: Solve for x
    x = 270.86/16.29
  6. Step 6: Final answer
    x = 16.63

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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.