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Finding the Fourth Proportional to 4,879.73, 6,734.03 and 2,641.61

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Solution

The fourth proportional to 4,879.73, 6,734.03 and 2,641.61 is: 3,645.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.73 : 6,734.03 = 2,641.61 : x
  2. Step 2: Convert to fraction form
    4,879.73/6,734.03 = 2,641.61/x
  3. Step 3: Cross multiply
    4,879.73x = 6,734.03 × 2,641.61
  4. Step 4: Simplify right side
    4,879.73x = 17,788,634.11
  5. Step 5: Solve for x
    x = 17,788,634.11/4,879.73
  6. Step 6: Final answer
    x = 3,645.42

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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.