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Finding the Fourth Proportional to 8,831, 13,246.53 and 2,675

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Solution

The fourth proportional to 8,831, 13,246.53 and 2,675 is: 4,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831 : 13,246.53 = 2,675 : x
  2. Step 2: Convert to fraction form
    8,831/13,246.53 = 2,675/x
  3. Step 3: Cross multiply
    8,831x = 13,246.53 × 2,675
  4. Step 4: Simplify right side
    8,831x = 35,434,467.75
  5. Step 5: Solve for x
    x = 35,434,467.75/8,831
  6. Step 6: Final answer
    x = 4,012.51

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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.