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Finding the Fourth Proportional to 22.97, 34.38 and 16.17

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Solution

The fourth proportional to 22.97, 34.38 and 16.17 is: 24.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.97 : 34.38 = 16.17 : x
  2. Step 2: Convert to fraction form
    22.97/34.38 = 16.17/x
  3. Step 3: Cross multiply
    22.97x = 34.38 × 16.17
  4. Step 4: Simplify right side
    22.97x = 555.92
  5. Step 5: Solve for x
    x = 555.92/22.97
  6. Step 6: Final answer
    x = 24.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.