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Finding the Fourth Proportional to 18,336.09, 27,457.58 and 15,366.72

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Solution

The fourth proportional to 18,336.09, 27,457.58 and 15,366.72 is: 23,011.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.09 : 27,457.58 = 15,366.72 : x
  2. Step 2: Convert to fraction form
    18,336.09/27,457.58 = 15,366.72/x
  3. Step 3: Cross multiply
    18,336.09x = 27,457.58 × 15,366.72
  4. Step 4: Simplify right side
    18,336.09x = 421,932,943.74
  5. Step 5: Solve for x
    x = 421,932,943.74/18,336.09
  6. Step 6: Final answer
    x = 23,011.06

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