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Finding the Fourth Proportional to 48.44, 66.80 and 32.02

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Solution

The fourth proportional to 48.44, 66.80 and 32.02 is: 44.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.44 : 66.80 = 32.02 : x
  2. Step 2: Convert to fraction form
    48.44/66.80 = 32.02/x
  3. Step 3: Cross multiply
    48.44x = 66.80 × 32.02
  4. Step 4: Simplify right side
    48.44x = 2,138.94
  5. Step 5: Solve for x
    x = 2,138.94/48.44
  6. Step 6: Final answer
    x = 44.16

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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.