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Finding the Fourth Proportional to 6,408,861.89, 8,843,668.97 and 3,794,897.03

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Solution

The fourth proportional to 6,408,861.89, 8,843,668.97 and 3,794,897.03 is: 5,236,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408,861.89 : 8,843,668.97 = 3,794,897.03 : x
  2. Step 2: Convert to fraction form
    6,408,861.89/8,843,668.97 = 3,794,897.03/x
  3. Step 3: Cross multiply
    6,408,861.89x = 8,843,668.97 × 3,794,897.03
  4. Step 4: Simplify right side
    6,408,861.89x = 33,560,813,045,363.33
  5. Step 5: Solve for x
    x = 33,560,813,045,363.33/6,408,861.89
  6. Step 6: Final answer
    x = 5,236,626.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.