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Finding the Fourth Proportional to 36.44, 50.31 and 34.02

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Solution

The fourth proportional to 36.44, 50.31 and 34.02 is: 46.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.44 : 50.31 = 34.02 : x
  2. Step 2: Convert to fraction form
    36.44/50.31 = 34.02/x
  3. Step 3: Cross multiply
    36.44x = 50.31 × 34.02
  4. Step 4: Simplify right side
    36.44x = 1,711.55
  5. Step 5: Solve for x
    x = 1,711.55/36.44
  6. Step 6: Final answer
    x = 46.97

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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.