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Finding the Fourth Proportional to 21,749.73, 30,014.01 and 12,795.18

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Solution

The fourth proportional to 21,749.73, 30,014.01 and 12,795.18 is: 17,656.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,749.73 : 30,014.01 = 12,795.18 : x
  2. Step 2: Convert to fraction form
    21,749.73/30,014.01 = 12,795.18/x
  3. Step 3: Cross multiply
    21,749.73x = 30,014.01 × 12,795.18
  4. Step 4: Simplify right side
    21,749.73x = 384,034,660.47
  5. Step 5: Solve for x
    x = 384,034,660.47/21,749.73
  6. Step 6: Final answer
    x = 17,656.99

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