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Finding the Fourth Proportional to 36.23, 49.99 and 22.41

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Solution

The fourth proportional to 36.23, 49.99 and 22.41 is: 30.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.23 : 49.99 = 22.41 : x
  2. Step 2: Convert to fraction form
    36.23/49.99 = 22.41/x
  3. Step 3: Cross multiply
    36.23x = 49.99 × 22.41
  4. Step 4: Simplify right side
    36.23x = 1,120.34
  5. Step 5: Solve for x
    x = 1,120.34/36.23
  6. Step 6: Final answer
    x = 30.92

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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.