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Finding the Fourth Proportional to 34,728.37, 52,056.78 and 13,659.86

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Solution

The fourth proportional to 34,728.37, 52,056.78 and 13,659.86 is: 20,475.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,728.37 : 52,056.78 = 13,659.86 : x
  2. Step 2: Convert to fraction form
    34,728.37/52,056.78 = 13,659.86/x
  3. Step 3: Cross multiply
    34,728.37x = 52,056.78 × 13,659.86
  4. Step 4: Simplify right side
    34,728.37x = 711,088,326.85
  5. Step 5: Solve for x
    x = 711,088,326.85/34,728.37
  6. Step 6: Final answer
    x = 20,475.72

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