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Finding the Fourth Proportional to 22.86, 34.13 and 22.22

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Solution

The fourth proportional to 22.86, 34.13 and 22.22 is: 33.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22.86 : 34.13 = 22.22 : x
  2. Step 2: Convert to fraction form
    22.86/34.13 = 22.22/x
  3. Step 3: Cross multiply
    22.86x = 34.13 × 22.22
  4. Step 4: Simplify right side
    22.86x = 758.43
  5. Step 5: Solve for x
    x = 758.43/22.86
  6. Step 6: Final answer
    x = 33.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.