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Finding the Fourth Proportional to 48,520.77, 72,737.87 and 18,931.73

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Solution

The fourth proportional to 48,520.77, 72,737.87 and 18,931.73 is: 28,380.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,520.77 : 72,737.87 = 18,931.73 : x
  2. Step 2: Convert to fraction form
    48,520.77/72,737.87 = 18,931.73/x
  3. Step 3: Cross multiply
    48,520.77x = 72,737.87 × 18,931.73
  4. Step 4: Simplify right side
    48,520.77x = 1,377,053,417.00
  5. Step 5: Solve for x
    x = 1,377,053,417.00/48,520.77
  6. Step 6: Final answer
    x = 28,380.70

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