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Finding the Fourth Proportional to 13,155.75, 18,162.63 and 10,017.81

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Solution

The fourth proportional to 13,155.75, 18,162.63 and 10,017.81 is: 13,830.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,155.75 : 18,162.63 = 10,017.81 : x
  2. Step 2: Convert to fraction form
    13,155.75/18,162.63 = 10,017.81/x
  3. Step 3: Cross multiply
    13,155.75x = 18,162.63 × 10,017.81
  4. Step 4: Simplify right side
    13,155.75x = 181,949,776.44
  5. Step 5: Solve for x
    x = 181,949,776.44/13,155.75
  6. Step 6: Final answer
    x = 13,830.44

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