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Finding the Fourth Proportional to 6,623.32, 9,936.26 and 2,519

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Solution

The fourth proportional to 6,623.32, 9,936.26 and 2,519 is: 3,778.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.32 : 9,936.26 = 2,519 : x
  2. Step 2: Convert to fraction form
    6,623.32/9,936.26 = 2,519/x
  3. Step 3: Cross multiply
    6,623.32x = 9,936.26 × 2,519
  4. Step 4: Simplify right side
    6,623.32x = 25,029,438.94
  5. Step 5: Solve for x
    x = 25,029,438.94/6,623.32
  6. Step 6: Final answer
    x = 3,778.99

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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.