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Finding the Fourth Proportional to 36.29, 50.15 and 33.56

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Solution

The fourth proportional to 36.29, 50.15 and 33.56 is: 46.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.29 : 50.15 = 33.56 : x
  2. Step 2: Convert to fraction form
    36.29/50.15 = 33.56/x
  3. Step 3: Cross multiply
    36.29x = 50.15 × 33.56
  4. Step 4: Simplify right side
    36.29x = 1,682.62
  5. Step 5: Solve for x
    x = 1,682.62/36.29
  6. Step 6: Final answer
    x = 46.37

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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.