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Finding the Fourth Proportional to 36.95, 50.99 and 22.38

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Solution

The fourth proportional to 36.95, 50.99 and 22.38 is: 30.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.95 : 50.99 = 22.38 : x
  2. Step 2: Convert to fraction form
    36.95/50.99 = 22.38/x
  3. Step 3: Cross multiply
    36.95x = 50.99 × 22.38
  4. Step 4: Simplify right side
    36.95x = 1,141.04
  5. Step 5: Solve for x
    x = 1,141.04/36.95
  6. Step 6: Final answer
    x = 30.88

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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.