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Finding the Fourth Proportional to 17,757.02, 26,651.90 and 8,998.09

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Solution

The fourth proportional to 17,757.02, 26,651.90 and 8,998.09 is: 13,505.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,757.02 : 26,651.90 = 8,998.09 : x
  2. Step 2: Convert to fraction form
    17,757.02/26,651.90 = 8,998.09/x
  3. Step 3: Cross multiply
    17,757.02x = 26,651.90 × 8,998.09
  4. Step 4: Simplify right side
    17,757.02x = 239,816,150.74
  5. Step 5: Solve for x
    x = 239,816,150.74/17,757.02
  6. Step 6: Final answer
    x = 13,505.43

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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.