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Finding the Fourth Proportional to 18,566.15, 27,850.13 and 6,876.63

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Solution

The fourth proportional to 18,566.15, 27,850.13 and 6,876.63 is: 10,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,566.15 : 27,850.13 = 6,876.63 : x
  2. Step 2: Convert to fraction form
    18,566.15/27,850.13 = 6,876.63/x
  3. Step 3: Cross multiply
    18,566.15x = 27,850.13 × 6,876.63
  4. Step 4: Simplify right side
    18,566.15x = 191,515,030.87
  5. Step 5: Solve for x
    x = 191,515,030.87/18,566.15
  6. Step 6: Final answer
    x = 10,315.28

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