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Finding the Fourth Proportional to 5,491.99, 8,239.35 and 1,794.43

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Solution

The fourth proportional to 5,491.99, 8,239.35 and 1,794.43 is: 2,692.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.99 : 8,239.35 = 1,794.43 : x
  2. Step 2: Convert to fraction form
    5,491.99/8,239.35 = 1,794.43/x
  3. Step 3: Cross multiply
    5,491.99x = 8,239.35 × 1,794.43
  4. Step 4: Simplify right side
    5,491.99x = 14,784,936.82
  5. Step 5: Solve for x
    x = 14,784,936.82/5,491.99
  6. Step 6: Final answer
    x = 2,692.09

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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.