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Finding the Fourth Proportional to 3,136.92, 4,705.98 and 1,577.26

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Solution

The fourth proportional to 3,136.92, 4,705.98 and 1,577.26 is: 2,366.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.92 : 4,705.98 = 1,577.26 : x
  2. Step 2: Convert to fraction form
    3,136.92/4,705.98 = 1,577.26/x
  3. Step 3: Cross multiply
    3,136.92x = 4,705.98 × 1,577.26
  4. Step 4: Simplify right side
    3,136.92x = 7,422,554.01
  5. Step 5: Solve for x
    x = 7,422,554.01/3,136.92
  6. Step 6: Final answer
    x = 2,366.19

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