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Finding the Fourth Proportional to 8,941.68, 13,413.12 and 2,367.78

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Solution

The fourth proportional to 8,941.68, 13,413.12 and 2,367.78 is: 3,551.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.68 : 13,413.12 = 2,367.78 : x
  2. Step 2: Convert to fraction form
    8,941.68/13,413.12 = 2,367.78/x
  3. Step 3: Cross multiply
    8,941.68x = 13,413.12 × 2,367.78
  4. Step 4: Simplify right side
    8,941.68x = 31,759,317.27
  5. Step 5: Solve for x
    x = 31,759,317.27/8,941.68
  6. Step 6: Final answer
    x = 3,551.83

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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.