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Finding the Fourth Proportional to 8,375.75, 12,563.51 and 2,832.99

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Solution

The fourth proportional to 8,375.75, 12,563.51 and 2,832.99 is: 4,249.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.75 : 12,563.51 = 2,832.99 : x
  2. Step 2: Convert to fraction form
    8,375.75/12,563.51 = 2,832.99/x
  3. Step 3: Cross multiply
    8,375.75x = 12,563.51 × 2,832.99
  4. Step 4: Simplify right side
    8,375.75x = 35,592,284.03
  5. Step 5: Solve for x
    x = 35,592,284.03/8,375.75
  6. Step 6: Final answer
    x = 4,249.45

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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.