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Finding the Fourth Proportional to 7,898.22, 11,845.88 and 2,054.46

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Solution

The fourth proportional to 7,898.22, 11,845.88 and 2,054.46 is: 3,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.22 : 11,845.88 = 2,054.46 : x
  2. Step 2: Convert to fraction form
    7,898.22/11,845.88 = 2,054.46/x
  3. Step 3: Cross multiply
    7,898.22x = 11,845.88 × 2,054.46
  4. Step 4: Simplify right side
    7,898.22x = 24,336,886.62
  5. Step 5: Solve for x
    x = 24,336,886.62/7,898.22
  6. Step 6: Final answer
    x = 3,081.31

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