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Finding the Fourth Proportional to 36.68, 50.60 and 27

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Solution

The fourth proportional to 36.68, 50.60 and 27 is: 37.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.68 : 50.60 = 27 : x
  2. Step 2: Convert to fraction form
    36.68/50.60 = 27/x
  3. Step 3: Cross multiply
    36.68x = 50.60 × 27
  4. Step 4: Simplify right side
    36.68x = 1,366.20
  5. Step 5: Solve for x
    x = 1,366.20/36.68
  6. Step 6: Final answer
    x = 37.25

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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.