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Finding the Fourth Proportional to 8,908.26, 13,359.78 and 2,668.02

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Solution

The fourth proportional to 8,908.26, 13,359.78 and 2,668.02 is: 4,001.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,908.26 : 13,359.78 = 2,668.02 : x
  2. Step 2: Convert to fraction form
    8,908.26/13,359.78 = 2,668.02/x
  3. Step 3: Cross multiply
    8,908.26x = 13,359.78 × 2,668.02
  4. Step 4: Simplify right side
    8,908.26x = 35,644,160.24
  5. Step 5: Solve for x
    x = 35,644,160.24/8,908.26
  6. Step 6: Final answer
    x = 4,001.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.