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Finding the Fourth Proportional to 22.77, 34.15 and 9.24

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Solution

The fourth proportional to 22.77, 34.15 and 9.24 is: 13.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.77 : 34.15 = 9.24 : x
  2. Step 2: Convert to fraction form
    22.77/34.15 = 9.24/x
  3. Step 3: Cross multiply
    22.77x = 34.15 × 9.24
  4. Step 4: Simplify right side
    22.77x = 315.67
  5. Step 5: Solve for x
    x = 315.67/22.77
  6. Step 6: Final answer
    x = 13.87

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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.