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Finding the Fourth Proportional to 7,960.59, 11,940.98 and 2,413.89

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Solution

The fourth proportional to 7,960.59, 11,940.98 and 2,413.89 is: 3,620.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.59 : 11,940.98 = 2,413.89 : x
  2. Step 2: Convert to fraction form
    7,960.59/11,940.98 = 2,413.89/x
  3. Step 3: Cross multiply
    7,960.59x = 11,940.98 × 2,413.89
  4. Step 4: Simplify right side
    7,960.59x = 28,824,200.14
  5. Step 5: Solve for x
    x = 28,824,200.14/7,960.59
  6. Step 6: Final answer
    x = 3,620.86

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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.