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Finding the Fourth Proportional to 7,959.88, 11,940.43 and 2,413.69

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Solution

The fourth proportional to 7,959.88, 11,940.43 and 2,413.69 is: 3,620.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,959.88 : 11,940.43 = 2,413.69 : x
  2. Step 2: Convert to fraction form
    7,959.88/11,940.43 = 2,413.69/x
  3. Step 3: Cross multiply
    7,959.88x = 11,940.43 × 2,413.69
  4. Step 4: Simplify right side
    7,959.88x = 28,820,496.49
  5. Step 5: Solve for x
    x = 28,820,496.49/7,959.88
  6. Step 6: Final answer
    x = 3,620.72

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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.