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Finding the Fourth Proportional to 8,491,697, 11,718,542.60 and 4,624,217

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Solution

The fourth proportional to 8,491,697, 11,718,542.60 and 4,624,217 is: 6,381,419.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,491,697 : 11,718,542.60 = 4,624,217 : x
  2. Step 2: Convert to fraction form
    8,491,697/11,718,542.60 = 4,624,217/x
  3. Step 3: Cross multiply
    8,491,697x = 11,718,542.60 × 4,624,217
  4. Step 4: Simplify right side
    8,491,697x = 54,189,083,906,144.20
  5. Step 5: Solve for x
    x = 54,189,083,906,144.20/8,491,697
  6. Step 6: Final answer
    x = 6,381,419.86

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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.