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Finding the Fourth Proportional to 8,650.44, 12,976.11 and 2,806.59

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Solution

The fourth proportional to 8,650.44, 12,976.11 and 2,806.59 is: 4,210.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.44 : 12,976.11 = 2,806.59 : x
  2. Step 2: Convert to fraction form
    8,650.44/12,976.11 = 2,806.59/x
  3. Step 3: Cross multiply
    8,650.44x = 12,976.11 × 2,806.59
  4. Step 4: Simplify right side
    8,650.44x = 36,418,620.56
  5. Step 5: Solve for x
    x = 36,418,620.56/8,650.44
  6. Step 6: Final answer
    x = 4,210.03

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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.