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Finding the Fourth Proportional to 11,848.60, 17,772.90 and 9,969.40

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Solution

The fourth proportional to 11,848.60, 17,772.90 and 9,969.40 is: 14,954.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,848.60 : 17,772.90 = 9,969.40 : x
  2. Step 2: Convert to fraction form
    11,848.60/17,772.90 = 9,969.40/x
  3. Step 3: Cross multiply
    11,848.60x = 17,772.90 × 9,969.40
  4. Step 4: Simplify right side
    11,848.60x = 177,185,149.26
  5. Step 5: Solve for x
    x = 177,185,149.26/11,848.60
  6. Step 6: Final answer
    x = 14,954.10

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