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Finding the Fourth Proportional to 33.94, 46.82 and 22.28

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Solution

The fourth proportional to 33.94, 46.82 and 22.28 is: 30.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.94 : 46.82 = 22.28 : x
  2. Step 2: Convert to fraction form
    33.94/46.82 = 22.28/x
  3. Step 3: Cross multiply
    33.94x = 46.82 × 22.28
  4. Step 4: Simplify right side
    33.94x = 1,043.16
  5. Step 5: Solve for x
    x = 1,043.16/33.94
  6. Step 6: Final answer
    x = 30.74

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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.