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Finding the Fourth Proportional to 30,959.92, 46,400.79 and 16,890.62

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Solution

The fourth proportional to 30,959.92, 46,400.79 and 16,890.62 is: 25,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,959.92 : 46,400.79 = 16,890.62 : x
  2. Step 2: Convert to fraction form
    30,959.92/46,400.79 = 16,890.62/x
  3. Step 3: Cross multiply
    30,959.92x = 46,400.79 × 16,890.62
  4. Step 4: Simplify right side
    30,959.92x = 783,738,111.59
  5. Step 5: Solve for x
    x = 783,738,111.59/30,959.92
  6. Step 6: Final answer
    x = 25,314.61

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