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Finding the Fourth Proportional to 6,305,576.87, 8,699,895.82 and 3,551,300.97

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Solution

The fourth proportional to 6,305,576.87, 8,699,895.82 and 3,551,300.97 is: 4,899,781.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,305,576.87 : 8,699,895.82 = 3,551,300.97 : x
  2. Step 2: Convert to fraction form
    6,305,576.87/8,699,895.82 = 3,551,300.97/x
  3. Step 3: Cross multiply
    6,305,576.87x = 8,699,895.82 × 3,551,300.97
  4. Step 4: Simplify right side
    6,305,576.87x = 30,895,948,464,464.95
  5. Step 5: Solve for x
    x = 30,895,948,464,464.95/6,305,576.87
  6. Step 6: Final answer
    x = 4,899,781.43

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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.