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Finding the Fourth Proportional to 7,846.83, 10,828.71 and 4,309.95

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Solution

The fourth proportional to 7,846.83, 10,828.71 and 4,309.95 is: 5,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,846.83 : 10,828.71 = 4,309.95 : x
  2. Step 2: Convert to fraction form
    7,846.83/10,828.71 = 4,309.95/x
  3. Step 3: Cross multiply
    7,846.83x = 10,828.71 × 4,309.95
  4. Step 4: Simplify right side
    7,846.83x = 46,671,198.66
  5. Step 5: Solve for x
    x = 46,671,198.66/7,846.83
  6. Step 6: Final answer
    x = 5,947.78

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