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Finding the Fourth Proportional to 26,980.20, 40,470.30 and 26,212.20

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Solution

The fourth proportional to 26,980.20, 40,470.30 and 26,212.20 is: 39,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,980.20 : 40,470.30 = 26,212.20 : x
  2. Step 2: Convert to fraction form
    26,980.20/40,470.30 = 26,212.20/x
  3. Step 3: Cross multiply
    26,980.20x = 40,470.30 × 26,212.20
  4. Step 4: Simplify right side
    26,980.20x = 1,060,815,597.66
  5. Step 5: Solve for x
    x = 1,060,815,597.66/26,980.20
  6. Step 6: Final answer
    x = 39,318.30

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