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Finding the Fourth Proportional to 17,879.74, 26,819.92 and 6,193.32

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Solution

The fourth proportional to 17,879.74, 26,819.92 and 6,193.32 is: 9,290.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.74 : 26,819.92 = 6,193.32 : x
  2. Step 2: Convert to fraction form
    17,879.74/26,819.92 = 6,193.32/x
  3. Step 3: Cross multiply
    17,879.74x = 26,819.92 × 6,193.32
  4. Step 4: Simplify right side
    17,879.74x = 166,104,346.93
  5. Step 5: Solve for x
    x = 166,104,346.93/17,879.74
  6. Step 6: Final answer
    x = 9,290.09

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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.