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Finding the Fourth Proportional to 12,043.82, 18,065.75 and 6,499.77

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Solution

The fourth proportional to 12,043.82, 18,065.75 and 6,499.77 is: 9,749.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043.82 : 18,065.75 = 6,499.77 : x
  2. Step 2: Convert to fraction form
    12,043.82/18,065.75 = 6,499.77/x
  3. Step 3: Cross multiply
    12,043.82x = 18,065.75 × 6,499.77
  4. Step 4: Simplify right side
    12,043.82x = 117,423,219.88
  5. Step 5: Solve for x
    x = 117,423,219.88/12,043.82
  6. Step 6: Final answer
    x = 9,749.67

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