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Finding the Fourth Proportional to 8,000.88, 11,993.22 and 3,834.78

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Solution

The fourth proportional to 8,000.88, 11,993.22 and 3,834.78 is: 5,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.88 : 11,993.22 = 3,834.78 : x
  2. Step 2: Convert to fraction form
    8,000.88/11,993.22 = 3,834.78/x
  3. Step 3: Cross multiply
    8,000.88x = 11,993.22 × 3,834.78
  4. Step 4: Simplify right side
    8,000.88x = 45,991,360.19
  5. Step 5: Solve for x
    x = 45,991,360.19/8,000.88
  6. Step 6: Final answer
    x = 5,748.29

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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.