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Finding the Fourth Proportional to 48.41, 72.46 and 44.80

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Solution

The fourth proportional to 48.41, 72.46 and 44.80 is: 67.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.41 : 72.46 = 44.80 : x
  2. Step 2: Convert to fraction form
    48.41/72.46 = 44.80/x
  3. Step 3: Cross multiply
    48.41x = 72.46 × 44.80
  4. Step 4: Simplify right side
    48.41x = 3,246.30
  5. Step 5: Solve for x
    x = 3,246.30/48.41
  6. Step 6: Final answer
    x = 67.06

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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.