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Finding the Fourth Proportional to 12,165.55, 16,788.45 and 6,576.55

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Solution

The fourth proportional to 12,165.55, 16,788.45 and 6,576.55 is: 9,075.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,165.55 : 16,788.45 = 6,576.55 : x
  2. Step 2: Convert to fraction form
    12,165.55/16,788.45 = 6,576.55/x
  3. Step 3: Cross multiply
    12,165.55x = 16,788.45 × 6,576.55
  4. Step 4: Simplify right side
    12,165.55x = 110,410,080.85
  5. Step 5: Solve for x
    x = 110,410,080.85/12,165.55
  6. Step 6: Final answer
    x = 9,075.63

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