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Finding the Fourth Proportional to 16.06, 22.17 and 12.44

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Solution

The fourth proportional to 16.06, 22.17 and 12.44 is: 17.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.06 : 22.17 = 12.44 : x
  2. Step 2: Convert to fraction form
    16.06/22.17 = 12.44/x
  3. Step 3: Cross multiply
    16.06x = 22.17 × 12.44
  4. Step 4: Simplify right side
    16.06x = 275.79
  5. Step 5: Solve for x
    x = 275.79/16.06
  6. Step 6: Final answer
    x = 17.17

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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.