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Finding the Fourth Proportional to 17,800.43, 26,679.68 and 7,263.88

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Solution

The fourth proportional to 17,800.43, 26,679.68 and 7,263.88 is: 10,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,800.43 : 26,679.68 = 7,263.88 : x
  2. Step 2: Convert to fraction form
    17,800.43/26,679.68 = 7,263.88/x
  3. Step 3: Cross multiply
    17,800.43x = 26,679.68 × 7,263.88
  4. Step 4: Simplify right side
    17,800.43x = 193,797,860.56
  5. Step 5: Solve for x
    x = 193,797,860.56/17,800.43
  6. Step 6: Final answer
    x = 10,887.26

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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.