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Finding the Fourth Proportional to 44.43, 66.69 and 24.12

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Solution

The fourth proportional to 44.43, 66.69 and 24.12 is: 36.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.43 : 66.69 = 24.12 : x
  2. Step 2: Convert to fraction form
    44.43/66.69 = 24.12/x
  3. Step 3: Cross multiply
    44.43x = 66.69 × 24.12
  4. Step 4: Simplify right side
    44.43x = 1,608.56
  5. Step 5: Solve for x
    x = 1,608.56/44.43
  6. Step 6: Final answer
    x = 36.20

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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.