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Finding the Fourth Proportional to 8,003.62, 11,996.15 and 3,789.56

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Solution

The fourth proportional to 8,003.62, 11,996.15 and 3,789.56 is: 5,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.62 : 11,996.15 = 3,789.56 : x
  2. Step 2: Convert to fraction form
    8,003.62/11,996.15 = 3,789.56/x
  3. Step 3: Cross multiply
    8,003.62x = 11,996.15 × 3,789.56
  4. Step 4: Simplify right side
    8,003.62x = 45,460,130.19
  5. Step 5: Solve for x
    x = 45,460,130.19/8,003.62
  6. Step 6: Final answer
    x = 5,679.95

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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.