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Finding the Fourth Proportional to 8,833.96, 12,198.78 and 6,591.96

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Solution

The fourth proportional to 8,833.96, 12,198.78 and 6,591.96 is: 9,102.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,833.96 : 12,198.78 = 6,591.96 : x
  2. Step 2: Convert to fraction form
    8,833.96/12,198.78 = 6,591.96/x
  3. Step 3: Cross multiply
    8,833.96x = 12,198.78 × 6,591.96
  4. Step 4: Simplify right side
    8,833.96x = 80,413,869.81
  5. Step 5: Solve for x
    x = 80,413,869.81/8,833.96
  6. Step 6: Final answer
    x = 9,102.81

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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.