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Finding the Fourth Proportional to 5,771,694.72, 7,965,173.52 and 3,193,333.68

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Solution

The fourth proportional to 5,771,694.72, 7,965,173.52 and 3,193,333.68 is: 4,406,930.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771,694.72 : 7,965,173.52 = 3,193,333.68 : x
  2. Step 2: Convert to fraction form
    5,771,694.72/7,965,173.52 = 3,193,333.68/x
  3. Step 3: Cross multiply
    5,771,694.72x = 7,965,173.52 × 3,193,333.68
  4. Step 4: Simplify right side
    5,771,694.72x = 25,435,456,868,460.15
  5. Step 5: Solve for x
    x = 25,435,456,868,460.15/5,771,694.72
  6. Step 6: Final answer
    x = 4,406,930.39

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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.