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Finding the Fourth Proportional to 2,669.55, 3,684.05 and 1,490.69

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Solution

The fourth proportional to 2,669.55, 3,684.05 and 1,490.69 is: 2,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.55 : 3,684.05 = 1,490.69 : x
  2. Step 2: Convert to fraction form
    2,669.55/3,684.05 = 1,490.69/x
  3. Step 3: Cross multiply
    2,669.55x = 3,684.05 × 1,490.69
  4. Step 4: Simplify right side
    2,669.55x = 5,491,776.49
  5. Step 5: Solve for x
    x = 5,491,776.49/2,669.55
  6. Step 6: Final answer
    x = 2,057.19

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