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Finding the Fourth Proportional to 6,251.72, 8,625.30 and 4,363.88

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Solution

The fourth proportional to 6,251.72, 8,625.30 and 4,363.88 is: 6,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,251.72 : 8,625.30 = 4,363.88 : x
  2. Step 2: Convert to fraction form
    6,251.72/8,625.30 = 4,363.88/x
  3. Step 3: Cross multiply
    6,251.72x = 8,625.30 × 4,363.88
  4. Step 4: Simplify right side
    6,251.72x = 37,639,774.16
  5. Step 5: Solve for x
    x = 37,639,774.16/6,251.72
  6. Step 6: Final answer
    x = 6,020.71

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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.