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Finding the Fourth Proportional to 44.43, 66.65 and 23.88

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Solution

The fourth proportional to 44.43, 66.65 and 23.88 is: 35.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.43 : 66.65 = 23.88 : x
  2. Step 2: Convert to fraction form
    44.43/66.65 = 23.88/x
  3. Step 3: Cross multiply
    44.43x = 66.65 × 23.88
  4. Step 4: Simplify right side
    44.43x = 1,591.60
  5. Step 5: Solve for x
    x = 1,591.60/44.43
  6. Step 6: Final answer
    x = 35.82

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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.