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Finding the Fourth Proportional to 23.07, 34.34 and 22.11

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Solution

The fourth proportional to 23.07, 34.34 and 22.11 is: 32.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.07 : 34.34 = 22.11 : x
  2. Step 2: Convert to fraction form
    23.07/34.34 = 22.11/x
  3. Step 3: Cross multiply
    23.07x = 34.34 × 22.11
  4. Step 4: Simplify right side
    23.07x = 759.15
  5. Step 5: Solve for x
    x = 759.15/23.07
  6. Step 6: Final answer
    x = 32.91

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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.