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Finding the Fourth Proportional to 64,857.74, 89,503.80 and 36,563.36

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Solution

The fourth proportional to 64,857.74, 89,503.80 and 36,563.36 is: 50,457.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,857.74 : 89,503.80 = 36,563.36 : x
  2. Step 2: Convert to fraction form
    64,857.74/89,503.80 = 36,563.36/x
  3. Step 3: Cross multiply
    64,857.74x = 89,503.80 × 36,563.36
  4. Step 4: Simplify right side
    64,857.74x = 3,272,559,660.77
  5. Step 5: Solve for x
    x = 3,272,559,660.77/64,857.74
  6. Step 6: Final answer
    x = 50,457.50

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