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Finding the Fourth Proportional to 36,703.72, 50,653.92 and 20,787.76

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Solution

The fourth proportional to 36,703.72, 50,653.92 and 20,787.76 is: 28,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,703.72 : 50,653.92 = 20,787.76 : x
  2. Step 2: Convert to fraction form
    36,703.72/50,653.92 = 20,787.76/x
  3. Step 3: Cross multiply
    36,703.72x = 50,653.92 × 20,787.76
  4. Step 4: Simplify right side
    36,703.72x = 1,052,981,532.02
  5. Step 5: Solve for x
    x = 1,052,981,532.02/36,703.72
  6. Step 6: Final answer
    x = 28,688.69

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