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Finding the Fourth Proportional to 48.46, 66.82 and 32.06

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Solution

The fourth proportional to 48.46, 66.82 and 32.06 is: 44.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.46 : 66.82 = 32.06 : x
  2. Step 2: Convert to fraction form
    48.46/66.82 = 32.06/x
  3. Step 3: Cross multiply
    48.46x = 66.82 × 32.06
  4. Step 4: Simplify right side
    48.46x = 2,142.25
  5. Step 5: Solve for x
    x = 2,142.25/48.46
  6. Step 6: Final answer
    x = 44.21

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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.