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Finding the Fourth Proportional to 6,264.48, 8,645.10 and 3,431.97

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Solution

The fourth proportional to 6,264.48, 8,645.10 and 3,431.97 is: 4,736.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,264.48 : 8,645.10 = 3,431.97 : x
  2. Step 2: Convert to fraction form
    6,264.48/8,645.10 = 3,431.97/x
  3. Step 3: Cross multiply
    6,264.48x = 8,645.10 × 3,431.97
  4. Step 4: Simplify right side
    6,264.48x = 29,669,723.85
  5. Step 5: Solve for x
    x = 29,669,723.85/6,264.48
  6. Step 6: Final answer
    x = 4,736.18

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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.