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Finding the Fourth Proportional to 8,976.42, 13,467.87 and 3,133.89

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Solution

The fourth proportional to 8,976.42, 13,467.87 and 3,133.89 is: 4,701.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,976.42 : 13,467.87 = 3,133.89 : x
  2. Step 2: Convert to fraction form
    8,976.42/13,467.87 = 3,133.89/x
  3. Step 3: Cross multiply
    8,976.42x = 13,467.87 × 3,133.89
  4. Step 4: Simplify right side
    8,976.42x = 42,206,823.11
  5. Step 5: Solve for x
    x = 42,206,823.11/8,976.42
  6. Step 6: Final answer
    x = 4,701.97

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