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Finding the Fourth Proportional to 54,981.92, 82,497.47 and 31,608.36

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Solution

The fourth proportional to 54,981.92, 82,497.47 and 31,608.36 is: 47,426.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,981.92 : 82,497.47 = 31,608.36 : x
  2. Step 2: Convert to fraction form
    54,981.92/82,497.47 = 31,608.36/x
  3. Step 3: Cross multiply
    54,981.92x = 82,497.47 × 31,608.36
  4. Step 4: Simplify right side
    54,981.92x = 2,607,609,572.81
  5. Step 5: Solve for x
    x = 2,607,609,572.81/54,981.92
  6. Step 6: Final answer
    x = 47,426.67

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