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Finding the Fourth Proportional to 6,469.98, 9,696.84 and 2,767.86

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Solution

The fourth proportional to 6,469.98, 9,696.84 and 2,767.86 is: 4,148.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,469.98 : 9,696.84 = 2,767.86 : x
  2. Step 2: Convert to fraction form
    6,469.98/9,696.84 = 2,767.86/x
  3. Step 3: Cross multiply
    6,469.98x = 9,696.84 × 2,767.86
  4. Step 4: Simplify right side
    6,469.98x = 26,839,495.56
  5. Step 5: Solve for x
    x = 26,839,495.56/6,469.98
  6. Step 6: Final answer
    x = 4,148.31

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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.