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Finding the Fourth Proportional to 23.33, 34.96 and 18.83

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Solution

The fourth proportional to 23.33, 34.96 and 18.83 is: 28.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    23.33 : 34.96 = 18.83 : x
  2. Step 2: Convert to fraction form
    23.33/34.96 = 18.83/x
  3. Step 3: Cross multiply
    23.33x = 34.96 × 18.83
  4. Step 4: Simplify right side
    23.33x = 658.30
  5. Step 5: Solve for x
    x = 658.30/23.33
  6. Step 6: Final answer
    x = 28.22

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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.