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Finding the Fourth Proportional to 19,048.56, 28,577.97 and 7,951.56

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Solution

The fourth proportional to 19,048.56, 28,577.97 and 7,951.56 is: 11,929.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,048.56 : 28,577.97 = 7,951.56 : x
  2. Step 2: Convert to fraction form
    19,048.56/28,577.97 = 7,951.56/x
  3. Step 3: Cross multiply
    19,048.56x = 28,577.97 × 7,951.56
  4. Step 4: Simplify right side
    19,048.56x = 227,239,443.13
  5. Step 5: Solve for x
    x = 227,239,443.13/19,048.56
  6. Step 6: Final answer
    x = 11,929.48

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