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Finding the Fourth Proportional to 36.52, 50.46 and 33.12

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Solution

The fourth proportional to 36.52, 50.46 and 33.12 is: 45.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.52 : 50.46 = 33.12 : x
  2. Step 2: Convert to fraction form
    36.52/50.46 = 33.12/x
  3. Step 3: Cross multiply
    36.52x = 50.46 × 33.12
  4. Step 4: Simplify right side
    36.52x = 1,671.24
  5. Step 5: Solve for x
    x = 1,671.24/36.52
  6. Step 6: Final answer
    x = 45.76

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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.