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Finding the Fourth Proportional to 36,869.53, 50,879.96 and 20,953.57

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Solution

The fourth proportional to 36,869.53, 50,879.96 and 20,953.57 is: 28,915.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,869.53 : 50,879.96 = 20,953.57 : x
  2. Step 2: Convert to fraction form
    36,869.53/50,879.96 = 20,953.57/x
  3. Step 3: Cross multiply
    36,869.53x = 50,879.96 × 20,953.57
  4. Step 4: Simplify right side
    36,869.53x = 1,066,116,728.64
  5. Step 5: Solve for x
    x = 1,066,116,728.64/36,869.53
  6. Step 6: Final answer
    x = 28,915.93

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