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Finding the Fourth Proportional to 5,579.84, 8,361.09 and 3,234.03

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Solution

The fourth proportional to 5,579.84, 8,361.09 and 3,234.03 is: 4,846.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.84 : 8,361.09 = 3,234.03 : x
  2. Step 2: Convert to fraction form
    5,579.84/8,361.09 = 3,234.03/x
  3. Step 3: Cross multiply
    5,579.84x = 8,361.09 × 3,234.03
  4. Step 4: Simplify right side
    5,579.84x = 27,039,981.13
  5. Step 5: Solve for x
    x = 27,039,981.13/5,579.84
  6. Step 6: Final answer
    x = 4,846.01

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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.