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Finding the Fourth Proportional to 7,961.04, 11,940.22 and 2,413.07

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Solution

The fourth proportional to 7,961.04, 11,940.22 and 2,413.07 is: 3,619.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,961.04 : 11,940.22 = 2,413.07 : x
  2. Step 2: Convert to fraction form
    7,961.04/11,940.22 = 2,413.07/x
  3. Step 3: Cross multiply
    7,961.04x = 11,940.22 × 2,413.07
  4. Step 4: Simplify right side
    7,961.04x = 28,812,544.58
  5. Step 5: Solve for x
    x = 28,812,544.58/7,961.04
  6. Step 6: Final answer
    x = 3,619.19

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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.