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Finding the Fourth Proportional to 36.91, 50.69 and 33.76

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Solution

The fourth proportional to 36.91, 50.69 and 33.76 is: 46.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.91 : 50.69 = 33.76 : x
  2. Step 2: Convert to fraction form
    36.91/50.69 = 33.76/x
  3. Step 3: Cross multiply
    36.91x = 50.69 × 33.76
  4. Step 4: Simplify right side
    36.91x = 1,711.29
  5. Step 5: Solve for x
    x = 1,711.29/36.91
  6. Step 6: Final answer
    x = 46.36

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.