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Finding the Fourth Proportional to 36.43, 54.33 and 33.48

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Solution

The fourth proportional to 36.43, 54.33 and 33.48 is: 49.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.43 : 54.33 = 33.48 : x
  2. Step 2: Convert to fraction form
    36.43/54.33 = 33.48/x
  3. Step 3: Cross multiply
    36.43x = 54.33 × 33.48
  4. Step 4: Simplify right side
    36.43x = 1,818.70
  5. Step 5: Solve for x
    x = 1,818.70/36.43
  6. Step 6: Final answer
    x = 49.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.