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Finding the Fourth Proportional to 8,197.92, 12,296.79 and 3,003.75

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Solution

The fourth proportional to 8,197.92, 12,296.79 and 3,003.75 is: 4,505.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197.92 : 12,296.79 = 3,003.75 : x
  2. Step 2: Convert to fraction form
    8,197.92/12,296.79 = 3,003.75/x
  3. Step 3: Cross multiply
    8,197.92x = 12,296.79 × 3,003.75
  4. Step 4: Simplify right side
    8,197.92x = 36,936,482.96
  5. Step 5: Solve for x
    x = 36,936,482.96/8,197.92
  6. Step 6: Final answer
    x = 4,505.59

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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.