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Finding the Fourth Proportional to 44.33, 66.51 and 17.29

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Solution

The fourth proportional to 44.33, 66.51 and 17.29 is: 25.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.33 : 66.51 = 17.29 : x
  2. Step 2: Convert to fraction form
    44.33/66.51 = 17.29/x
  3. Step 3: Cross multiply
    44.33x = 66.51 × 17.29
  4. Step 4: Simplify right side
    44.33x = 1,149.96
  5. Step 5: Solve for x
    x = 1,149.96/44.33
  6. Step 6: Final answer
    x = 25.94

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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.