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Finding the Fourth Proportional to 33.96, 46.87 and 22.33

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Solution

The fourth proportional to 33.96, 46.87 and 22.33 is: 30.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.96 : 46.87 = 22.33 : x
  2. Step 2: Convert to fraction form
    33.96/46.87 = 22.33/x
  3. Step 3: Cross multiply
    33.96x = 46.87 × 22.33
  4. Step 4: Simplify right side
    33.96x = 1,046.43
  5. Step 5: Solve for x
    x = 1,046.43/33.96
  6. Step 6: Final answer
    x = 30.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.