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Finding the Fourth Proportional to 22.67, 34.01 and 9.17

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Solution

The fourth proportional to 22.67, 34.01 and 9.17 is: 13.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.67 : 34.01 = 9.17 : x
  2. Step 2: Convert to fraction form
    22.67/34.01 = 9.17/x
  3. Step 3: Cross multiply
    22.67x = 34.01 × 9.17
  4. Step 4: Simplify right side
    22.67x = 311.72
  5. Step 5: Solve for x
    x = 311.72/22.67
  6. Step 6: Final answer
    x = 13.75

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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.