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Finding the Fourth Proportional to 3,579.57, 5,363.01 and 1,494.99

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Solution

The fourth proportional to 3,579.57, 5,363.01 and 1,494.99 is: 2,239.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.57 : 5,363.01 = 1,494.99 : x
  2. Step 2: Convert to fraction form
    3,579.57/5,363.01 = 1,494.99/x
  3. Step 3: Cross multiply
    3,579.57x = 5,363.01 × 1,494.99
  4. Step 4: Simplify right side
    3,579.57x = 8,017,640.71
  5. Step 5: Solve for x
    x = 8,017,640.71/3,579.57
  6. Step 6: Final answer
    x = 2,239.83

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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.