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Finding the Fourth Proportional to 8,512.83, 12,755.07 and 2,963.12

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Solution

The fourth proportional to 8,512.83, 12,755.07 and 2,963.12 is: 4,439.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.83 : 12,755.07 = 2,963.12 : x
  2. Step 2: Convert to fraction form
    8,512.83/12,755.07 = 2,963.12/x
  3. Step 3: Cross multiply
    8,512.83x = 12,755.07 × 2,963.12
  4. Step 4: Simplify right side
    8,512.83x = 37,794,739.24
  5. Step 5: Solve for x
    x = 37,794,739.24/8,512.83
  6. Step 6: Final answer
    x = 4,439.74

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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.