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Finding the Fourth Proportional to 21,977.00, 32,967.52 and 7,185.99

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Solution

The fourth proportional to 21,977.00, 32,967.52 and 7,185.99 is: 10,779.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977.00 : 32,967.52 = 7,185.99 : x
  2. Step 2: Convert to fraction form
    21,977.00/32,967.52 = 7,185.99/x
  3. Step 3: Cross multiply
    21,977.00x = 32,967.52 × 7,185.99
  4. Step 4: Simplify right side
    21,977.00x = 236,904,251.08
  5. Step 5: Solve for x
    x = 236,904,251.08/21,977.00
  6. Step 6: Final answer
    x = 10,779.65

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