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Finding the Fourth Proportional to 16.13, 22.22 and 11.27

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Solution

The fourth proportional to 16.13, 22.22 and 11.27 is: 15.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.13 : 22.22 = 11.27 : x
  2. Step 2: Convert to fraction form
    16.13/22.22 = 11.27/x
  3. Step 3: Cross multiply
    16.13x = 22.22 × 11.27
  4. Step 4: Simplify right side
    16.13x = 250.31
  5. Step 5: Solve for x
    x = 250.31/16.13
  6. Step 6: Final answer
    x = 15.52

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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.