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Finding the Fourth Proportional to 33.73, 46.55 and 19.92

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Solution

The fourth proportional to 33.73, 46.55 and 19.92 is: 27.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.73 : 46.55 = 19.92 : x
  2. Step 2: Convert to fraction form
    33.73/46.55 = 19.92/x
  3. Step 3: Cross multiply
    33.73x = 46.55 × 19.92
  4. Step 4: Simplify right side
    33.73x = 927.04
  5. Step 5: Solve for x
    x = 927.04/33.73
  6. Step 6: Final answer
    x = 27.48

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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.