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Finding the Fourth Proportional to 3,155.91, 4,733.18 and 1,181.46

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Solution

The fourth proportional to 3,155.91, 4,733.18 and 1,181.46 is: 1,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,155.91 : 4,733.18 = 1,181.46 : x
  2. Step 2: Convert to fraction form
    3,155.91/4,733.18 = 1,181.46/x
  3. Step 3: Cross multiply
    3,155.91x = 4,733.18 × 1,181.46
  4. Step 4: Simplify right side
    3,155.91x = 5,592,072.45
  5. Step 5: Solve for x
    x = 5,592,072.45/3,155.91
  6. Step 6: Final answer
    x = 1,771.94

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