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Finding the Fourth Proportional to 8,372.03, 12,560.37 and 6,826.63

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Solution

The fourth proportional to 8,372.03, 12,560.37 and 6,826.63 is: 10,241.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.03 : 12,560.37 = 6,826.63 : x
  2. Step 2: Convert to fraction form
    8,372.03/12,560.37 = 6,826.63/x
  3. Step 3: Cross multiply
    8,372.03x = 12,560.37 × 6,826.63
  4. Step 4: Simplify right side
    8,372.03x = 85,744,965.20
  5. Step 5: Solve for x
    x = 85,744,965.20/8,372.03
  6. Step 6: Final answer
    x = 10,241.83

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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.