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Finding the Fourth Proportional to 7,096,372.56, 9,794,743.56 and 4,042,387.44

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Solution

The fourth proportional to 7,096,372.56, 9,794,743.56 and 4,042,387.44 is: 5,579,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,096,372.56 : 9,794,743.56 = 4,042,387.44 : x
  2. Step 2: Convert to fraction form
    7,096,372.56/9,794,743.56 = 4,042,387.44/x
  3. Step 3: Cross multiply
    7,096,372.56x = 9,794,743.56 × 4,042,387.44
  4. Step 4: Simplify right side
    7,096,372.56x = 39,594,148,344,964.89
  5. Step 5: Solve for x
    x = 39,594,148,344,964.89/7,096,372.56
  6. Step 6: Final answer
    x = 5,579,491.21

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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.