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Finding the Fourth Proportional to 12,014.92, 18,015.90 and 4,621.24

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Solution

The fourth proportional to 12,014.92, 18,015.90 and 4,621.24 is: 6,929.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,014.92 : 18,015.90 = 4,621.24 : x
  2. Step 2: Convert to fraction form
    12,014.92/18,015.90 = 4,621.24/x
  3. Step 3: Cross multiply
    12,014.92x = 18,015.90 × 4,621.24
  4. Step 4: Simplify right side
    12,014.92x = 83,255,797.72
  5. Step 5: Solve for x
    x = 83,255,797.72/12,014.92
  6. Step 6: Final answer
    x = 6,929.37

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