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Finding the Fourth Proportional to 36.87, 50.52 and 36.74

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Solution

The fourth proportional to 36.87, 50.52 and 36.74 is: 50.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.87 : 50.52 = 36.74 : x
  2. Step 2: Convert to fraction form
    36.87/50.52 = 36.74/x
  3. Step 3: Cross multiply
    36.87x = 50.52 × 36.74
  4. Step 4: Simplify right side
    36.87x = 1,855.85
  5. Step 5: Solve for x
    x = 1,855.85/36.87
  6. Step 6: Final answer
    x = 50.34

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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.