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Finding the Fourth Proportional to 6,996,491.07, 9,654,733.56 and 3,856,617.44

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Solution

The fourth proportional to 6,996,491.07, 9,654,733.56 and 3,856,617.44 is: 5,321,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,996,491.07 : 9,654,733.56 = 3,856,617.44 : x
  2. Step 2: Convert to fraction form
    6,996,491.07/9,654,733.56 = 3,856,617.44/x
  3. Step 3: Cross multiply
    6,996,491.07x = 9,654,733.56 × 3,856,617.44
  4. Step 4: Simplify right side
    6,996,491.07x = 37,234,613,861,057.59
  5. Step 5: Solve for x
    x = 37,234,613,861,057.59/6,996,491.07
  6. Step 6: Final answer
    x = 5,321,898.29

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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.