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Finding the Fourth Proportional to 31,784.00, 43,862.92 and 18,355.01

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Solution

The fourth proportional to 31,784.00, 43,862.92 and 18,355.01 is: 25,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,784.00 : 43,862.92 = 18,355.01 : x
  2. Step 2: Convert to fraction form
    31,784.00/43,862.92 = 18,355.01/x
  3. Step 3: Cross multiply
    31,784.00x = 43,862.92 × 18,355.01
  4. Step 4: Simplify right side
    31,784.00x = 805,104,070.03
  5. Step 5: Solve for x
    x = 805,104,070.03/31,784.00
  6. Step 6: Final answer
    x = 25,330.49

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