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Finding the Fourth Proportional to 10,161.71, 14,024.01 and 5,685.88

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Solution

The fourth proportional to 10,161.71, 14,024.01 and 5,685.88 is: 7,846.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,161.71 : 14,024.01 = 5,685.88 : x
  2. Step 2: Convert to fraction form
    10,161.71/14,024.01 = 5,685.88/x
  3. Step 3: Cross multiply
    10,161.71x = 14,024.01 × 5,685.88
  4. Step 4: Simplify right side
    10,161.71x = 79,738,837.98
  5. Step 5: Solve for x
    x = 79,738,837.98/10,161.71
  6. Step 6: Final answer
    x = 7,846.99

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