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Finding the Fourth Proportional to 5,156.48, 7,734.72 and 4,936.16

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Solution

The fourth proportional to 5,156.48, 7,734.72 and 4,936.16 is: 7,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,156.48 : 7,734.72 = 4,936.16 : x
  2. Step 2: Convert to fraction form
    5,156.48/7,734.72 = 4,936.16/x
  3. Step 3: Cross multiply
    5,156.48x = 7,734.72 × 4,936.16
  4. Step 4: Simplify right side
    5,156.48x = 38,179,815.48
  5. Step 5: Solve for x
    x = 38,179,815.48/5,156.48
  6. Step 6: Final answer
    x = 7,404.24

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