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Finding the Fourth Proportional to 44.27, 66.33 and 25

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Solution

The fourth proportional to 44.27, 66.33 and 25 is: 37.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.27 : 66.33 = 25 : x
  2. Step 2: Convert to fraction form
    44.27/66.33 = 25/x
  3. Step 3: Cross multiply
    44.27x = 66.33 × 25
  4. Step 4: Simplify right side
    44.27x = 1,658.25
  5. Step 5: Solve for x
    x = 1,658.25/44.27
  6. Step 6: Final answer
    x = 37.46

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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.