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Finding the Fourth Proportional to 19,796.02, 27,318 and 10,843.90

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Solution

The fourth proportional to 19,796.02, 27,318 and 10,843.90 is: 14,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,796.02 : 27,318 = 10,843.90 : x
  2. Step 2: Convert to fraction form
    19,796.02/27,318 = 10,843.90/x
  3. Step 3: Cross multiply
    19,796.02x = 27,318 × 10,843.90
  4. Step 4: Simplify right side
    19,796.02x = 296,233,660.20
  5. Step 5: Solve for x
    x = 296,233,660.20/19,796.02
  6. Step 6: Final answer
    x = 14,964.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.