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Finding the Fourth Proportional to 16,917.89, 25,384.77 and 7,557.03

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Solution

The fourth proportional to 16,917.89, 25,384.77 and 7,557.03 is: 11,339.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,917.89 : 25,384.77 = 7,557.03 : x
  2. Step 2: Convert to fraction form
    16,917.89/25,384.77 = 7,557.03/x
  3. Step 3: Cross multiply
    16,917.89x = 25,384.77 × 7,557.03
  4. Step 4: Simplify right side
    16,917.89x = 191,833,468.43
  5. Step 5: Solve for x
    x = 191,833,468.43/16,917.89
  6. Step 6: Final answer
    x = 11,339.09

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