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Finding the Fourth Proportional to 16,447.38, 22,697.92 and 8,995.38

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Solution

The fourth proportional to 16,447.38, 22,697.92 and 8,995.38 is: 12,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,447.38 : 22,697.92 = 8,995.38 : x
  2. Step 2: Convert to fraction form
    16,447.38/22,697.92 = 8,995.38/x
  3. Step 3: Cross multiply
    16,447.38x = 22,697.92 × 8,995.38
  4. Step 4: Simplify right side
    16,447.38x = 204,176,279.63
  5. Step 5: Solve for x
    x = 204,176,279.63/16,447.38
  6. Step 6: Final answer
    x = 12,413.91

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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.