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Finding the Fourth Proportional to 48.34, 72.62 and 44.11

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Solution

The fourth proportional to 48.34, 72.62 and 44.11 is: 66.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.34 : 72.62 = 44.11 : x
  2. Step 2: Convert to fraction form
    48.34/72.62 = 44.11/x
  3. Step 3: Cross multiply
    48.34x = 72.62 × 44.11
  4. Step 4: Simplify right side
    48.34x = 3,202.68
  5. Step 5: Solve for x
    x = 3,202.68/48.34
  6. Step 6: Final answer
    x = 66.26

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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.