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Finding the Fourth Proportional to 17,104.80, 25,662.06 and 8,344.56

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Solution

The fourth proportional to 17,104.80, 25,662.06 and 8,344.56 is: 12,519.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,104.80 : 25,662.06 = 8,344.56 : x
  2. Step 2: Convert to fraction form
    17,104.80/25,662.06 = 8,344.56/x
  3. Step 3: Cross multiply
    17,104.80x = 25,662.06 × 8,344.56
  4. Step 4: Simplify right side
    17,104.80x = 214,138,599.39
  5. Step 5: Solve for x
    x = 214,138,599.39/17,104.80
  6. Step 6: Final answer
    x = 12,519.21

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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.