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Finding the Fourth Proportional to 64,869.60, 89,516.40 and 36,573.60

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Solution

The fourth proportional to 64,869.60, 89,516.40 and 36,573.60 is: 50,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,869.60 : 89,516.40 = 36,573.60 : x
  2. Step 2: Convert to fraction form
    64,869.60/89,516.40 = 36,573.60/x
  3. Step 3: Cross multiply
    64,869.60x = 89,516.40 × 36,573.60
  4. Step 4: Simplify right side
    64,869.60x = 3,273,937,007.04
  5. Step 5: Solve for x
    x = 3,273,937,007.04/64,869.60
  6. Step 6: Final answer
    x = 50,469.51

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