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Finding the Fourth Proportional to 16,917.84, 25,379.46 and 5,821.80

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Solution

The fourth proportional to 16,917.84, 25,379.46 and 5,821.80 is: 8,733.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.84 : 25,379.46 = 5,821.80 : x
  2. Step 2: Convert to fraction form
    16,917.84/25,379.46 = 5,821.80/x
  3. Step 3: Cross multiply
    16,917.84x = 25,379.46 × 5,821.80
  4. Step 4: Simplify right side
    16,917.84x = 147,754,140.23
  5. Step 5: Solve for x
    x = 147,754,140.23/16,917.84
  6. Step 6: Final answer
    x = 8,733.63

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