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Finding the Fourth Proportional to 17,889.39, 26,828.01 and 6,793.40

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Solution

The fourth proportional to 17,889.39, 26,828.01 and 6,793.40 is: 10,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,889.39 : 26,828.01 = 6,793.40 : x
  2. Step 2: Convert to fraction form
    17,889.39/26,828.01 = 6,793.40/x
  3. Step 3: Cross multiply
    17,889.39x = 26,828.01 × 6,793.40
  4. Step 4: Simplify right side
    17,889.39x = 182,253,470.20
  5. Step 5: Solve for x
    x = 182,253,470.20/17,889.39
  6. Step 6: Final answer
    x = 10,187.80

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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.