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Finding the Fourth Proportional to 53,270.92, 79,906.38 and 18,210.88

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Solution

The fourth proportional to 53,270.92, 79,906.38 and 18,210.88 is: 27,316.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,270.92 : 79,906.38 = 18,210.88 : x
  2. Step 2: Convert to fraction form
    53,270.92/79,906.38 = 18,210.88/x
  3. Step 3: Cross multiply
    53,270.92x = 79,906.38 × 18,210.88
  4. Step 4: Simplify right side
    53,270.92x = 1,455,165,497.41
  5. Step 5: Solve for x
    x = 1,455,165,497.41/53,270.92
  6. Step 6: Final answer
    x = 27,316.32

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