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Finding the Fourth Proportional to 10,490.58, 15,731.89 and 3,468.49

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Solution

The fourth proportional to 10,490.58, 15,731.89 and 3,468.49 is: 5,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,490.58 : 15,731.89 = 3,468.49 : x
  2. Step 2: Convert to fraction form
    10,490.58/15,731.89 = 3,468.49/x
  3. Step 3: Cross multiply
    10,490.58x = 15,731.89 × 3,468.49
  4. Step 4: Simplify right side
    10,490.58x = 54,565,855.15
  5. Step 5: Solve for x
    x = 54,565,855.15/10,490.58
  6. Step 6: Final answer
    x = 5,201.41

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