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Finding the Fourth Proportional to 6,311.36, 9,466.68 and 1,694

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Solution

The fourth proportional to 6,311.36, 9,466.68 and 1,694 is: 2,540.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,311.36 : 9,466.68 = 1,694 : x
  2. Step 2: Convert to fraction form
    6,311.36/9,466.68 = 1,694/x
  3. Step 3: Cross multiply
    6,311.36x = 9,466.68 × 1,694
  4. Step 4: Simplify right side
    6,311.36x = 16,036,555.92
  5. Step 5: Solve for x
    x = 16,036,555.92/6,311.36
  6. Step 6: Final answer
    x = 2,540.90

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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.