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Finding the Fourth Proportional to 48.26, 66.49 and 44.33

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Solution

The fourth proportional to 48.26, 66.49 and 44.33 is: 61.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.26 : 66.49 = 44.33 : x
  2. Step 2: Convert to fraction form
    48.26/66.49 = 44.33/x
  3. Step 3: Cross multiply
    48.26x = 66.49 × 44.33
  4. Step 4: Simplify right side
    48.26x = 2,947.17
  5. Step 5: Solve for x
    x = 2,947.17/48.26
  6. Step 6: Final answer
    x = 61.07

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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.