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Finding the Fourth Proportional to 16.24, 22.41 and 11.06

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Solution

The fourth proportional to 16.24, 22.41 and 11.06 is: 15.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.24 : 22.41 = 11.06 : x
  2. Step 2: Convert to fraction form
    16.24/22.41 = 11.06/x
  3. Step 3: Cross multiply
    16.24x = 22.41 × 11.06
  4. Step 4: Simplify right side
    16.24x = 247.91
  5. Step 5: Solve for x
    x = 247.91/16.24
  6. Step 6: Final answer
    x = 15.27

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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.