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Finding the Fourth Proportional to 17,871.14, 26,787.78 and 6,013.62

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Solution

The fourth proportional to 17,871.14, 26,787.78 and 6,013.62 is: 9,014.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,871.14 : 26,787.78 = 6,013.62 : x
  2. Step 2: Convert to fraction form
    17,871.14/26,787.78 = 6,013.62/x
  3. Step 3: Cross multiply
    17,871.14x = 26,787.78 × 6,013.62
  4. Step 4: Simplify right side
    17,871.14x = 161,091,529.56
  5. Step 5: Solve for x
    x = 161,091,529.56/17,871.14
  6. Step 6: Final answer
    x = 9,014.06

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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.