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Finding the Fourth Proportional to 8,168.76, 12,251.64 and 2,325.60

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Solution

The fourth proportional to 8,168.76, 12,251.64 and 2,325.60 is: 3,487.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168.76 : 12,251.64 = 2,325.60 : x
  2. Step 2: Convert to fraction form
    8,168.76/12,251.64 = 2,325.60/x
  3. Step 3: Cross multiply
    8,168.76x = 12,251.64 × 2,325.60
  4. Step 4: Simplify right side
    8,168.76x = 28,492,413.98
  5. Step 5: Solve for x
    x = 28,492,413.98/8,168.76
  6. Step 6: Final answer
    x = 3,487.97

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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.