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Finding the Fourth Proportional to 33.73, 46.51 and 28.26

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Solution

The fourth proportional to 33.73, 46.51 and 28.26 is: 38.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.73 : 46.51 = 28.26 : x
  2. Step 2: Convert to fraction form
    33.73/46.51 = 28.26/x
  3. Step 3: Cross multiply
    33.73x = 46.51 × 28.26
  4. Step 4: Simplify right side
    33.73x = 1,314.30
  5. Step 5: Solve for x
    x = 1,314.30/33.73
  6. Step 6: Final answer
    x = 38.97

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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.