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Finding the Fourth Proportional to 23.38, 34.84 and 22

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Solution

The fourth proportional to 23.38, 34.84 and 22 is: 32.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.38 : 34.84 = 22 : x
  2. Step 2: Convert to fraction form
    23.38/34.84 = 22/x
  3. Step 3: Cross multiply
    23.38x = 34.84 × 22
  4. Step 4: Simplify right side
    23.38x = 766.48
  5. Step 5: Solve for x
    x = 766.48/23.38
  6. Step 6: Final answer
    x = 32.78

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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.