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Finding the Fourth Proportional to 4,978.24, 6,872.81 and 3,301.94

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Solution

The fourth proportional to 4,978.24, 6,872.81 and 3,301.94 is: 4,558.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,978.24 : 6,872.81 = 3,301.94 : x
  2. Step 2: Convert to fraction form
    4,978.24/6,872.81 = 3,301.94/x
  3. Step 3: Cross multiply
    4,978.24x = 6,872.81 × 3,301.94
  4. Step 4: Simplify right side
    4,978.24x = 22,693,606.92
  5. Step 5: Solve for x
    x = 22,693,606.92/4,978.24
  6. Step 6: Final answer
    x = 4,558.56

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