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Finding the Fourth Proportional to 11,848.40, 17,772.60 and 9,774.80

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Solution

The fourth proportional to 11,848.40, 17,772.60 and 9,774.80 is: 14,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.40 : 17,772.60 = 9,774.80 : x
  2. Step 2: Convert to fraction form
    11,848.40/17,772.60 = 9,774.80/x
  3. Step 3: Cross multiply
    11,848.40x = 17,772.60 × 9,774.80
  4. Step 4: Simplify right side
    11,848.40x = 173,723,610.48
  5. Step 5: Solve for x
    x = 173,723,610.48/11,848.40
  6. Step 6: Final answer
    x = 14,662.20

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