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Finding the Fourth Proportional to 44.74, 66.96 and 32.68

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Solution

The fourth proportional to 44.74, 66.96 and 32.68 is: 48.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.74 : 66.96 = 32.68 : x
  2. Step 2: Convert to fraction form
    44.74/66.96 = 32.68/x
  3. Step 3: Cross multiply
    44.74x = 66.96 × 32.68
  4. Step 4: Simplify right side
    44.74x = 2,188.25
  5. Step 5: Solve for x
    x = 2,188.25/44.74
  6. Step 6: Final answer
    x = 48.91

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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.