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Finding the Fourth Proportional to 3,754.32, 5,631.54 and 1,157.25

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Solution

The fourth proportional to 3,754.32, 5,631.54 and 1,157.25 is: 1,735.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.32 : 5,631.54 = 1,157.25 : x
  2. Step 2: Convert to fraction form
    3,754.32/5,631.54 = 1,157.25/x
  3. Step 3: Cross multiply
    3,754.32x = 5,631.54 × 1,157.25
  4. Step 4: Simplify right side
    3,754.32x = 6,517,099.67
  5. Step 5: Solve for x
    x = 6,517,099.67/3,754.32
  6. Step 6: Final answer
    x = 1,735.89

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