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Finding the Fourth Proportional to 36.22, 54.02 and 34.24

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Solution

The fourth proportional to 36.22, 54.02 and 34.24 is: 51.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.22 : 54.02 = 34.24 : x
  2. Step 2: Convert to fraction form
    36.22/54.02 = 34.24/x
  3. Step 3: Cross multiply
    36.22x = 54.02 × 34.24
  4. Step 4: Simplify right side
    36.22x = 1,849.64
  5. Step 5: Solve for x
    x = 1,849.64/36.22
  6. Step 6: Final answer
    x = 51.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.