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Finding the Fourth Proportional to 43,574.24, 65,363.81 and 12,407.06

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Solution

The fourth proportional to 43,574.24, 65,363.81 and 12,407.06 is: 18,611.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,574.24 : 65,363.81 = 12,407.06 : x
  2. Step 2: Convert to fraction form
    43,574.24/65,363.81 = 12,407.06/x
  3. Step 3: Cross multiply
    43,574.24x = 65,363.81 × 12,407.06
  4. Step 4: Simplify right side
    43,574.24x = 810,972,813.87
  5. Step 5: Solve for x
    x = 810,972,813.87/43,574.24
  6. Step 6: Final answer
    x = 18,611.29

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