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Finding the Fourth Proportional to 17,889.83, 26,824.21 and 6,797.31

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Solution

The fourth proportional to 17,889.83, 26,824.21 and 6,797.31 is: 10,191.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.83 : 26,824.21 = 6,797.31 : x
  2. Step 2: Convert to fraction form
    17,889.83/26,824.21 = 6,797.31/x
  3. Step 3: Cross multiply
    17,889.83x = 26,824.21 × 6,797.31
  4. Step 4: Simplify right side
    17,889.83x = 182,332,453.88
  5. Step 5: Solve for x
    x = 182,332,453.88/17,889.83
  6. Step 6: Final answer
    x = 10,191.96

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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.