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Finding the Fourth Proportional to 36.96, 51.01 and 22.42

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Solution

The fourth proportional to 36.96, 51.01 and 22.42 is: 30.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.96 : 51.01 = 22.42 : x
  2. Step 2: Convert to fraction form
    36.96/51.01 = 22.42/x
  3. Step 3: Cross multiply
    36.96x = 51.01 × 22.42
  4. Step 4: Simplify right side
    36.96x = 1,143.64
  5. Step 5: Solve for x
    x = 1,143.64/36.96
  6. Step 6: Final answer
    x = 30.94

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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.