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Finding the Fourth Proportional to 33.55, 46.30 and 23.73

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Solution

The fourth proportional to 33.55, 46.30 and 23.73 is: 32.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.55 : 46.30 = 23.73 : x
  2. Step 2: Convert to fraction form
    33.55/46.30 = 23.73/x
  3. Step 3: Cross multiply
    33.55x = 46.30 × 23.73
  4. Step 4: Simplify right side
    33.55x = 1,098.92
  5. Step 5: Solve for x
    x = 1,098.92/33.55
  6. Step 6: Final answer
    x = 32.75

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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.