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Finding the Fourth Proportional to 31,655.52, 47,467.53 and 11,664.09

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Solution

The fourth proportional to 31,655.52, 47,467.53 and 11,664.09 is: 17,490.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655.52 : 47,467.53 = 11,664.09 : x
  2. Step 2: Convert to fraction form
    31,655.52/47,467.53 = 11,664.09/x
  3. Step 3: Cross multiply
    31,655.52x = 47,467.53 × 11,664.09
  4. Step 4: Simplify right side
    31,655.52x = 553,665,542.00
  5. Step 5: Solve for x
    x = 553,665,542.00/31,655.52
  6. Step 6: Final answer
    x = 17,490.33

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