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Finding the Fourth Proportional to 71,601.96, 107,377.38 and 27,216.90

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Solution

The fourth proportional to 71,601.96, 107,377.38 and 27,216.90 is: 40,815.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,601.96 : 107,377.38 = 27,216.90 : x
  2. Step 2: Convert to fraction form
    71,601.96/107,377.38 = 27,216.90/x
  3. Step 3: Cross multiply
    71,601.96x = 107,377.38 × 27,216.90
  4. Step 4: Simplify right side
    71,601.96x = 2,922,479,413.72
  5. Step 5: Solve for x
    x = 2,922,479,413.72/71,601.96
  6. Step 6: Final answer
    x = 40,815.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.