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Finding the Fourth Proportional to 22.97, 34.50 and 22.65

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Solution

The fourth proportional to 22.97, 34.50 and 22.65 is: 34.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.97 : 34.50 = 22.65 : x
  2. Step 2: Convert to fraction form
    22.97/34.50 = 22.65/x
  3. Step 3: Cross multiply
    22.97x = 34.50 × 22.65
  4. Step 4: Simplify right side
    22.97x = 781.43
  5. Step 5: Solve for x
    x = 781.43/22.97
  6. Step 6: Final answer
    x = 34.03

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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.