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Finding the Fourth Proportional to 16,447.68, 22,697.46 and 8,995.68

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Solution

The fourth proportional to 16,447.68, 22,697.46 and 8,995.68 is: 12,413.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,447.68 : 22,697.46 = 8,995.68 : x
  2. Step 2: Convert to fraction form
    16,447.68/22,697.46 = 8,995.68/x
  3. Step 3: Cross multiply
    16,447.68x = 22,697.46 × 8,995.68
  4. Step 4: Simplify right side
    16,447.68x = 204,179,086.97
  5. Step 5: Solve for x
    x = 204,179,086.97/16,447.68
  6. Step 6: Final answer
    x = 12,413.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.