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Finding the Fourth Proportional to 44.26, 66.38 and 16.83

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Solution

The fourth proportional to 44.26, 66.38 and 16.83 is: 25.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.26 : 66.38 = 16.83 : x
  2. Step 2: Convert to fraction form
    44.26/66.38 = 16.83/x
  3. Step 3: Cross multiply
    44.26x = 66.38 × 16.83
  4. Step 4: Simplify right side
    44.26x = 1,116.91
  5. Step 5: Solve for x
    x = 1,116.91/44.26
  6. Step 6: Final answer
    x = 25.24

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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.