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Finding the Fourth Proportional to 6,704.08, 10,057.20 and 2,086

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Solution

The fourth proportional to 6,704.08, 10,057.20 and 2,086 is: 3,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,704.08 : 10,057.20 = 2,086 : x
  2. Step 2: Convert to fraction form
    6,704.08/10,057.20 = 2,086/x
  3. Step 3: Cross multiply
    6,704.08x = 10,057.20 × 2,086
  4. Step 4: Simplify right side
    6,704.08x = 20,979,319.20
  5. Step 5: Solve for x
    x = 20,979,319.20/6,704.08
  6. Step 6: Final answer
    x = 3,129.34

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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.