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Finding the Fourth Proportional to 47.44, 65.04 and 44.28

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Solution

The fourth proportional to 47.44, 65.04 and 44.28 is: 60.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47.44 : 65.04 = 44.28 : x
  2. Step 2: Convert to fraction form
    47.44/65.04 = 44.28/x
  3. Step 3: Cross multiply
    47.44x = 65.04 × 44.28
  4. Step 4: Simplify right side
    47.44x = 2,879.97
  5. Step 5: Solve for x
    x = 2,879.97/47.44
  6. Step 6: Final answer
    x = 60.71

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.