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Finding the Fourth Proportional to 8,231.59, 12,348.59 and 2,683.56

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Solution

The fourth proportional to 8,231.59, 12,348.59 and 2,683.56 is: 4,025.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,231.59 : 12,348.59 = 2,683.56 : x
  2. Step 2: Convert to fraction form
    8,231.59/12,348.59 = 2,683.56/x
  3. Step 3: Cross multiply
    8,231.59x = 12,348.59 × 2,683.56
  4. Step 4: Simplify right side
    8,231.59x = 33,138,215.07
  5. Step 5: Solve for x
    x = 33,138,215.07/8,231.59
  6. Step 6: Final answer
    x = 4,025.74

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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.