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Finding the Fourth Proportional to 48.46, 72.33 and 41.71

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Solution

The fourth proportional to 48.46, 72.33 and 41.71 is: 62.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    48.46 : 72.33 = 41.71 : x
  2. Step 2: Convert to fraction form
    48.46/72.33 = 41.71/x
  3. Step 3: Cross multiply
    48.46x = 72.33 × 41.71
  4. Step 4: Simplify right side
    48.46x = 3,016.88
  5. Step 5: Solve for x
    x = 3,016.88/48.46
  6. Step 6: Final answer
    x = 62.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.