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Finding the Fourth Proportional to 6,643.76, 9,965.68 and 2,026.76

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Solution

The fourth proportional to 6,643.76, 9,965.68 and 2,026.76 is: 3,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643.76 : 9,965.68 = 2,026.76 : x
  2. Step 2: Convert to fraction form
    6,643.76/9,965.68 = 2,026.76/x
  3. Step 3: Cross multiply
    6,643.76x = 9,965.68 × 2,026.76
  4. Step 4: Simplify right side
    6,643.76x = 20,198,041.60
  5. Step 5: Solve for x
    x = 20,198,041.60/6,643.76
  6. Step 6: Final answer
    x = 3,040.15

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