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Finding the Fourth Proportional to 8,843.99, 12,204.42 and 4,865.09

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Solution

The fourth proportional to 8,843.99, 12,204.42 and 4,865.09 is: 6,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.99 : 12,204.42 = 4,865.09 : x
  2. Step 2: Convert to fraction form
    8,843.99/12,204.42 = 4,865.09/x
  3. Step 3: Cross multiply
    8,843.99x = 12,204.42 × 4,865.09
  4. Step 4: Simplify right side
    8,843.99x = 59,375,601.70
  5. Step 5: Solve for x
    x = 59,375,601.70/8,843.99
  6. Step 6: Final answer
    x = 6,713.67

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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.