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Finding the Fourth Proportional to 18,973.16, 28,459.36 and 6,323.84

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Solution

The fourth proportional to 18,973.16, 28,459.36 and 6,323.84 is: 9,485.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,973.16 : 28,459.36 = 6,323.84 : x
  2. Step 2: Convert to fraction form
    18,973.16/28,459.36 = 6,323.84/x
  3. Step 3: Cross multiply
    18,973.16x = 28,459.36 × 6,323.84
  4. Step 4: Simplify right side
    18,973.16x = 179,972,508.54
  5. Step 5: Solve for x
    x = 179,972,508.54/18,973.16
  6. Step 6: Final answer
    x = 9,485.63

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