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Finding the Fourth Proportional to 11,574.80, 15,972.69 and 7,097.83

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Solution

The fourth proportional to 11,574.80, 15,972.69 and 7,097.83 is: 9,794.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.80 : 15,972.69 = 7,097.83 : x
  2. Step 2: Convert to fraction form
    11,574.80/15,972.69 = 7,097.83/x
  3. Step 3: Cross multiply
    11,574.80x = 15,972.69 × 7,097.83
  4. Step 4: Simplify right side
    11,574.80x = 113,371,424.95
  5. Step 5: Solve for x
    x = 113,371,424.95/11,574.80
  6. Step 6: Final answer
    x = 9,794.68

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