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Finding the Fourth Proportional to 17,879.54, 26,819.03 and 6,192.86

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Solution

The fourth proportional to 17,879.54, 26,819.03 and 6,192.86 is: 9,289.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.54 : 26,819.03 = 6,192.86 : x
  2. Step 2: Convert to fraction form
    17,879.54/26,819.03 = 6,192.86/x
  3. Step 3: Cross multiply
    17,879.54x = 26,819.03 × 6,192.86
  4. Step 4: Simplify right side
    17,879.54x = 166,086,379.51
  5. Step 5: Solve for x
    x = 166,086,379.51/17,879.54
  6. Step 6: Final answer
    x = 9,289.19

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1.5x scale

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.