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Finding the Fourth Proportional to 12,798.07, 19,184.97 and 4,472.68

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Solution

The fourth proportional to 12,798.07, 19,184.97 and 4,472.68 is: 6,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,798.07 : 19,184.97 = 4,472.68 : x
  2. Step 2: Convert to fraction form
    12,798.07/19,184.97 = 4,472.68/x
  3. Step 3: Cross multiply
    12,798.07x = 19,184.97 × 4,472.68
  4. Step 4: Simplify right side
    12,798.07x = 85,808,183.66
  5. Step 5: Solve for x
    x = 85,808,183.66/12,798.07
  6. Step 6: Final answer
    x = 6,704.78

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