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Finding the Fourth Proportional to 6,966.60, 10,449.84 and 1,772.46

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Solution

The fourth proportional to 6,966.60, 10,449.84 and 1,772.46 is: 2,658.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,966.60 : 10,449.84 = 1,772.46 : x
  2. Step 2: Convert to fraction form
    6,966.60/10,449.84 = 1,772.46/x
  3. Step 3: Cross multiply
    6,966.60x = 10,449.84 × 1,772.46
  4. Step 4: Simplify right side
    6,966.60x = 18,521,923.41
  5. Step 5: Solve for x
    x = 18,521,923.41/6,966.60
  6. Step 6: Final answer
    x = 2,658.67

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