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Finding the Fourth Proportional to 33.59, 46.40 and 27.44

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Solution

The fourth proportional to 33.59, 46.40 and 27.44 is: 37.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.59 : 46.40 = 27.44 : x
  2. Step 2: Convert to fraction form
    33.59/46.40 = 27.44/x
  3. Step 3: Cross multiply
    33.59x = 46.40 × 27.44
  4. Step 4: Simplify right side
    33.59x = 1,272.85
  5. Step 5: Solve for x
    x = 1,272.85/33.59
  6. Step 6: Final answer
    x = 37.90

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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.