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Finding the Fourth Proportional to 16.18, 22.34 and 16.14

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Solution

The fourth proportional to 16.18, 22.34 and 16.14 is: 22.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16.18 : 22.34 = 16.14 : x
  2. Step 2: Convert to fraction form
    16.18/22.34 = 16.14/x
  3. Step 3: Cross multiply
    16.18x = 22.34 × 16.14
  4. Step 4: Simplify right side
    16.18x = 360.57
  5. Step 5: Solve for x
    x = 360.57/16.18
  6. Step 6: Final answer
    x = 22.28

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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.