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Finding the Fourth Proportional to 36.74, 55.13 and 23.22

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Solution

The fourth proportional to 36.74, 55.13 and 23.22 is: 34.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.74 : 55.13 = 23.22 : x
  2. Step 2: Convert to fraction form
    36.74/55.13 = 23.22/x
  3. Step 3: Cross multiply
    36.74x = 55.13 × 23.22
  4. Step 4: Simplify right side
    36.74x = 1,280.00
  5. Step 5: Solve for x
    x = 1,280.00/36.74
  6. Step 6: Final answer
    x = 34.84

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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.