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Finding the Fourth Proportional to 48.22, 66.59 and 44.73

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Solution

The fourth proportional to 48.22, 66.59 and 44.73 is: 61.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.22 : 66.59 = 44.73 : x
  2. Step 2: Convert to fraction form
    48.22/66.59 = 44.73/x
  3. Step 3: Cross multiply
    48.22x = 66.59 × 44.73
  4. Step 4: Simplify right side
    48.22x = 2,978.57
  5. Step 5: Solve for x
    x = 2,978.57/48.22
  6. Step 6: Final answer
    x = 61.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.