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Finding the Fourth Proportional to 64,693.60, 89,270.82 and 36,398.68

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Solution

The fourth proportional to 64,693.60, 89,270.82 and 36,398.68 is: 50,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,693.60 : 89,270.82 = 36,398.68 : x
  2. Step 2: Convert to fraction form
    64,693.60/89,270.82 = 36,398.68/x
  3. Step 3: Cross multiply
    64,693.60x = 89,270.82 × 36,398.68
  4. Step 4: Simplify right side
    64,693.60x = 3,249,340,010.52
  5. Step 5: Solve for x
    x = 3,249,340,010.52/64,693.60
  6. Step 6: Final answer
    x = 50,226.61

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