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Finding the Fourth Proportional to 8,578.13, 12,868.73 and 3,034.69

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Solution

The fourth proportional to 8,578.13, 12,868.73 and 3,034.69 is: 4,552.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.13 : 12,868.73 = 3,034.69 : x
  2. Step 2: Convert to fraction form
    8,578.13/12,868.73 = 3,034.69/x
  3. Step 3: Cross multiply
    8,578.13x = 12,868.73 × 3,034.69
  4. Step 4: Simplify right side
    8,578.13x = 39,052,606.24
  5. Step 5: Solve for x
    x = 39,052,606.24/8,578.13
  6. Step 6: Final answer
    x = 4,552.58

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