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Finding the Fourth Proportional to 8,375.36, 12,563.39 and 2,829.27

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Solution

The fourth proportional to 8,375.36, 12,563.39 and 2,829.27 is: 4,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.36 : 12,563.39 = 2,829.27 : x
  2. Step 2: Convert to fraction form
    8,375.36/12,563.39 = 2,829.27/x
  3. Step 3: Cross multiply
    8,375.36x = 12,563.39 × 2,829.27
  4. Step 4: Simplify right side
    8,375.36x = 35,545,229.50
  5. Step 5: Solve for x
    x = 35,545,229.50/8,375.36
  6. Step 6: Final answer
    x = 4,244.02

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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.