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Finding the Fourth Proportional to 7,668.93, 11,504.34 and 2,739.09

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Solution

The fourth proportional to 7,668.93, 11,504.34 and 2,739.09 is: 4,108.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,668.93 : 11,504.34 = 2,739.09 : x
  2. Step 2: Convert to fraction form
    7,668.93/11,504.34 = 2,739.09/x
  3. Step 3: Cross multiply
    7,668.93x = 11,504.34 × 2,739.09
  4. Step 4: Simplify right side
    7,668.93x = 31,511,422.65
  5. Step 5: Solve for x
    x = 31,511,422.65/7,668.93
  6. Step 6: Final answer
    x = 4,108.97

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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.