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Finding the Fourth Proportional to 48,591.80, 72,856.46 and 20,504.18

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Solution

The fourth proportional to 48,591.80, 72,856.46 and 20,504.18 is: 30,743.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,591.80 : 72,856.46 = 20,504.18 : x
  2. Step 2: Convert to fraction form
    48,591.80/72,856.46 = 20,504.18/x
  3. Step 3: Cross multiply
    48,591.80x = 72,856.46 × 20,504.18
  4. Step 4: Simplify right side
    48,591.80x = 1,493,861,503.20
  5. Step 5: Solve for x
    x = 1,493,861,503.20/48,591.80
  6. Step 6: Final answer
    x = 30,743.08

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