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Finding the Fourth Proportional to 5,290.51, 7,300.79 and 2,932.63

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Solution

The fourth proportional to 5,290.51, 7,300.79 and 2,932.63 is: 4,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.51 : 7,300.79 = 2,932.63 : x
  2. Step 2: Convert to fraction form
    5,290.51/7,300.79 = 2,932.63/x
  3. Step 3: Cross multiply
    5,290.51x = 7,300.79 × 2,932.63
  4. Step 4: Simplify right side
    5,290.51x = 21,410,515.78
  5. Step 5: Solve for x
    x = 21,410,515.78/5,290.51
  6. Step 6: Final answer
    x = 4,046.97

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