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Finding the Fourth Proportional to 8,698.26, 12,003.81 and 4,921.23

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Solution

The fourth proportional to 8,698.26, 12,003.81 and 4,921.23 is: 6,791.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.26 : 12,003.81 = 4,921.23 : x
  2. Step 2: Convert to fraction form
    8,698.26/12,003.81 = 4,921.23/x
  3. Step 3: Cross multiply
    8,698.26x = 12,003.81 × 4,921.23
  4. Step 4: Simplify right side
    8,698.26x = 59,073,509.89
  5. Step 5: Solve for x
    x = 59,073,509.89/8,698.26
  6. Step 6: Final answer
    x = 6,791.42

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