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Finding the Fourth Proportional to 51,860.76, 77,807.46 and 18,558.12

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Solution

The fourth proportional to 51,860.76, 77,807.46 and 18,558.12 is: 27,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,860.76 : 77,807.46 = 18,558.12 : x
  2. Step 2: Convert to fraction form
    51,860.76/77,807.46 = 18,558.12/x
  3. Step 3: Cross multiply
    51,860.76x = 77,807.46 × 18,558.12
  4. Step 4: Simplify right side
    51,860.76x = 1,443,960,179.58
  5. Step 5: Solve for x
    x = 1,443,960,179.58/51,860.76
  6. Step 6: Final answer
    x = 27,843.02

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