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Finding the Fourth Proportional to 8,158.61, 12,238.73 and 2,610.56

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Solution

The fourth proportional to 8,158.61, 12,238.73 and 2,610.56 is: 3,916.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,158.61 : 12,238.73 = 2,610.56 : x
  2. Step 2: Convert to fraction form
    8,158.61/12,238.73 = 2,610.56/x
  3. Step 3: Cross multiply
    8,158.61x = 12,238.73 × 2,610.56
  4. Step 4: Simplify right side
    8,158.61x = 31,949,864.74
  5. Step 5: Solve for x
    x = 31,949,864.74/8,158.61
  6. Step 6: Final answer
    x = 3,916.09

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