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Finding the Fourth Proportional to 36.76, 55.02 and 36.44

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Solution

The fourth proportional to 36.76, 55.02 and 36.44 is: 54.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.76 : 55.02 = 36.44 : x
  2. Step 2: Convert to fraction form
    36.76/55.02 = 36.44/x
  3. Step 3: Cross multiply
    36.76x = 55.02 × 36.44
  4. Step 4: Simplify right side
    36.76x = 2,004.93
  5. Step 5: Solve for x
    x = 2,004.93/36.76
  6. Step 6: Final answer
    x = 54.54

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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.