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Finding the Fourth Proportional to 17,831.87, 26,747.78 and 5,351.87

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Solution

The fourth proportional to 17,831.87, 26,747.78 and 5,351.87 is: 8,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,831.87 : 26,747.78 = 5,351.87 : x
  2. Step 2: Convert to fraction form
    17,831.87/26,747.78 = 5,351.87/x
  3. Step 3: Cross multiply
    17,831.87x = 26,747.78 × 5,351.87
  4. Step 4: Simplify right side
    17,831.87x = 143,150,641.35
  5. Step 5: Solve for x
    x = 143,150,641.35/17,831.87
  6. Step 6: Final answer
    x = 8,027.80

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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.