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Finding the Fourth Proportional to 6,451.75, 9,679.25 and 1,834.75

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Solution

The fourth proportional to 6,451.75, 9,679.25 and 1,834.75 is: 2,752.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,451.75 : 9,679.25 = 1,834.75 : x
  2. Step 2: Convert to fraction form
    6,451.75/9,679.25 = 1,834.75/x
  3. Step 3: Cross multiply
    6,451.75x = 9,679.25 × 1,834.75
  4. Step 4: Simplify right side
    6,451.75x = 17,759,003.94
  5. Step 5: Solve for x
    x = 17,759,003.94/6,451.75
  6. Step 6: Final answer
    x = 2,752.59

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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.