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Finding the Fourth Proportional to 44.26, 66.37 and 15.37

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Solution

The fourth proportional to 44.26, 66.37 and 15.37 is: 23.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    44.26 : 66.37 = 15.37 : x
  2. Step 2: Convert to fraction form
    44.26/66.37 = 15.37/x
  3. Step 3: Cross multiply
    44.26x = 66.37 × 15.37
  4. Step 4: Simplify right side
    44.26x = 1,019.78
  5. Step 5: Solve for x
    x = 1,019.78/44.26
  6. Step 6: Final answer
    x = 23.04

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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.