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Finding the Fourth Proportional to 49.31, 73.54 and 41.61

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Solution

The fourth proportional to 49.31, 73.54 and 41.61 is: 62.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    49.31 : 73.54 = 41.61 : x
  2. Step 2: Convert to fraction form
    49.31/73.54 = 41.61/x
  3. Step 3: Cross multiply
    49.31x = 73.54 × 41.61
  4. Step 4: Simplify right side
    49.31x = 3,060.33
  5. Step 5: Solve for x
    x = 3,060.33/49.31
  6. Step 6: Final answer
    x = 62.06

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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.