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Finding the Fourth Proportional to 11,839.03, 17,741.63 and 8,694.37

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Solution

The fourth proportional to 11,839.03, 17,741.63 and 8,694.37 is: 13,029.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.03 : 17,741.63 = 8,694.37 : x
  2. Step 2: Convert to fraction form
    11,839.03/17,741.63 = 8,694.37/x
  3. Step 3: Cross multiply
    11,839.03x = 17,741.63 × 8,694.37
  4. Step 4: Simplify right side
    11,839.03x = 154,252,252.15
  5. Step 5: Solve for x
    x = 154,252,252.15/11,839.03
  6. Step 6: Final answer
    x = 13,029.13

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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.