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Finding the Fourth Proportional to 5,218.14, 7,830.28 and 1,933.52

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Solution

The fourth proportional to 5,218.14, 7,830.28 and 1,933.52 is: 2,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218.14 : 7,830.28 = 1,933.52 : x
  2. Step 2: Convert to fraction form
    5,218.14/7,830.28 = 1,933.52/x
  3. Step 3: Cross multiply
    5,218.14x = 7,830.28 × 1,933.52
  4. Step 4: Simplify right side
    5,218.14x = 15,139,988.36
  5. Step 5: Solve for x
    x = 15,139,988.36/5,218.14
  6. Step 6: Final answer
    x = 2,901.42

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