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Finding the Fourth Proportional to 36.86, 55.25 and 32.53

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Solution

The fourth proportional to 36.86, 55.25 and 32.53 is: 48.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.86 : 55.25 = 32.53 : x
  2. Step 2: Convert to fraction form
    36.86/55.25 = 32.53/x
  3. Step 3: Cross multiply
    36.86x = 55.25 × 32.53
  4. Step 4: Simplify right side
    36.86x = 1,797.28
  5. Step 5: Solve for x
    x = 1,797.28/36.86
  6. Step 6: Final answer
    x = 48.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.