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Finding the Fourth Proportional to 14,314.72, 21,471.82 and 3,926.46

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Solution

The fourth proportional to 14,314.72, 21,471.82 and 3,926.46 is: 5,889.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,314.72 : 21,471.82 = 3,926.46 : x
  2. Step 2: Convert to fraction form
    14,314.72/21,471.82 = 3,926.46/x
  3. Step 3: Cross multiply
    14,314.72x = 21,471.82 × 3,926.46
  4. Step 4: Simplify right side
    14,314.72x = 84,308,242.36
  5. Step 5: Solve for x
    x = 84,308,242.36/14,314.72
  6. Step 6: Final answer
    x = 5,889.62

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