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Finding the Fourth Proportional to 48.30, 66.27 and 44.22

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Solution

The fourth proportional to 48.30, 66.27 and 44.22 is: 60.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.30 : 66.27 = 44.22 : x
  2. Step 2: Convert to fraction form
    48.30/66.27 = 44.22/x
  3. Step 3: Cross multiply
    48.30x = 66.27 × 44.22
  4. Step 4: Simplify right side
    48.30x = 2,930.46
  5. Step 5: Solve for x
    x = 2,930.46/48.30
  6. Step 6: Final answer
    x = 60.67

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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.