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Finding the Fourth Proportional to 30,400.54, 41,954.43 and 16,971.91

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Solution

The fourth proportional to 30,400.54, 41,954.43 and 16,971.91 is: 23,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,400.54 : 41,954.43 = 16,971.91 : x
  2. Step 2: Convert to fraction form
    30,400.54/41,954.43 = 16,971.91/x
  3. Step 3: Cross multiply
    30,400.54x = 41,954.43 × 16,971.91
  4. Step 4: Simplify right side
    30,400.54x = 712,046,810.06
  5. Step 5: Solve for x
    x = 712,046,810.06/30,400.54
  6. Step 6: Final answer
    x = 23,422.18

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