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Finding the Fourth Proportional to 39,391.70, 59,054.50 and 17,188.18

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Solution

The fourth proportional to 39,391.70, 59,054.50 and 17,188.18 is: 25,767.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,391.70 : 59,054.50 = 17,188.18 : x
  2. Step 2: Convert to fraction form
    39,391.70/59,054.50 = 17,188.18/x
  3. Step 3: Cross multiply
    39,391.70x = 59,054.50 × 17,188.18
  4. Step 4: Simplify right side
    39,391.70x = 1,015,039,375.81
  5. Step 5: Solve for x
    x = 1,015,039,375.81/39,391.70
  6. Step 6: Final answer
    x = 25,767.85

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