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Finding the Fourth Proportional to 44.04, 66.05 and 16.97

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Solution

The fourth proportional to 44.04, 66.05 and 16.97 is: 25.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.04 : 66.05 = 16.97 : x
  2. Step 2: Convert to fraction form
    44.04/66.05 = 16.97/x
  3. Step 3: Cross multiply
    44.04x = 66.05 × 16.97
  4. Step 4: Simplify right side
    44.04x = 1,120.87
  5. Step 5: Solve for x
    x = 1,120.87/44.04
  6. Step 6: Final answer
    x = 25.45

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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.