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Finding the Fourth Proportional to 5,790.94, 8,685.09 and 1,631.36

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Solution

The fourth proportional to 5,790.94, 8,685.09 and 1,631.36 is: 2,446.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,790.94 : 8,685.09 = 1,631.36 : x
  2. Step 2: Convert to fraction form
    5,790.94/8,685.09 = 1,631.36/x
  3. Step 3: Cross multiply
    5,790.94x = 8,685.09 × 1,631.36
  4. Step 4: Simplify right side
    5,790.94x = 14,168,530.14
  5. Step 5: Solve for x
    x = 14,168,530.14/5,790.94
  6. Step 6: Final answer
    x = 2,446.67

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