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Finding the Fourth Proportional to 9,393.17, 14,091.91 and 2,819.48

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Solution

The fourth proportional to 9,393.17, 14,091.91 and 2,819.48 is: 4,229.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,393.17 : 14,091.91 = 2,819.48 : x
  2. Step 2: Convert to fraction form
    9,393.17/14,091.91 = 2,819.48/x
  3. Step 3: Cross multiply
    9,393.17x = 14,091.91 × 2,819.48
  4. Step 4: Simplify right side
    9,393.17x = 39,731,826.70
  5. Step 5: Solve for x
    x = 39,731,826.70/9,393.17
  6. Step 6: Final answer
    x = 4,229.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.