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Finding the Fourth Proportional to 48.44, 72.52 and 41.22

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Solution

The fourth proportional to 48.44, 72.52 and 41.22 is: 61.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.44 : 72.52 = 41.22 : x
  2. Step 2: Convert to fraction form
    48.44/72.52 = 41.22/x
  3. Step 3: Cross multiply
    48.44x = 72.52 × 41.22
  4. Step 4: Simplify right side
    48.44x = 2,989.27
  5. Step 5: Solve for x
    x = 2,989.27/48.44
  6. Step 6: Final answer
    x = 61.71

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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.