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Finding the Fourth Proportional to 34,772.64, 47,985.98 and 18,857.12

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Solution

The fourth proportional to 34,772.64, 47,985.98 and 18,857.12 is: 26,022.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,772.64 : 47,985.98 = 18,857.12 : x
  2. Step 2: Convert to fraction form
    34,772.64/47,985.98 = 18,857.12/x
  3. Step 3: Cross multiply
    34,772.64x = 47,985.98 × 18,857.12
  4. Step 4: Simplify right side
    34,772.64x = 904,877,383.18
  5. Step 5: Solve for x
    x = 904,877,383.18/34,772.64
  6. Step 6: Final answer
    x = 26,022.68

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