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Finding the Fourth Proportional to 44.01, 66.05 and 16.96

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Solution

The fourth proportional to 44.01, 66.05 and 16.96 is: 25.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.01 : 66.05 = 16.96 : x
  2. Step 2: Convert to fraction form
    44.01/66.05 = 16.96/x
  3. Step 3: Cross multiply
    44.01x = 66.05 × 16.96
  4. Step 4: Simplify right side
    44.01x = 1,120.12
  5. Step 5: Solve for x
    x = 1,120.12/44.01
  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.