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Finding the Fourth Proportional to 36.31, 50.09 and 24.63

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Solution

The fourth proportional to 36.31, 50.09 and 24.63 is: 33.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36.31 : 50.09 = 24.63 : x
  2. Step 2: Convert to fraction form
    36.31/50.09 = 24.63/x
  3. Step 3: Cross multiply
    36.31x = 50.09 × 24.63
  4. Step 4: Simplify right side
    36.31x = 1,233.79
  5. Step 5: Solve for x
    x = 1,233.79/36.31
  6. Step 6: Final answer
    x = 33.98

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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.