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Finding the Fourth Proportional to 18,473.82, 27,722.88 and 6,787.14

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Solution

The fourth proportional to 18,473.82, 27,722.88 and 6,787.14 is: 10,185.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,473.82 : 27,722.88 = 6,787.14 : x
  2. Step 2: Convert to fraction form
    18,473.82/27,722.88 = 6,787.14/x
  3. Step 3: Cross multiply
    18,473.82x = 27,722.88 × 6,787.14
  4. Step 4: Simplify right side
    18,473.82x = 188,159,067.76
  5. Step 5: Solve for x
    x = 188,159,067.76/18,473.82
  6. Step 6: Final answer
    x = 10,185.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.