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Finding the Fourth Proportional to 10,866.78, 16,301.04 and 3,472.28

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Solution

The fourth proportional to 10,866.78, 16,301.04 and 3,472.28 is: 5,208.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,866.78 : 16,301.04 = 3,472.28 : x
  2. Step 2: Convert to fraction form
    10,866.78/16,301.04 = 3,472.28/x
  3. Step 3: Cross multiply
    10,866.78x = 16,301.04 × 3,472.28
  4. Step 4: Simplify right side
    10,866.78x = 56,601,775.17
  5. Step 5: Solve for x
    x = 56,601,775.17/10,866.78
  6. Step 6: Final answer
    x = 5,208.70

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