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Finding the Fourth Proportional to 8,612.34, 12,917.03 and 2,370.97

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Solution

The fourth proportional to 8,612.34, 12,917.03 and 2,370.97 is: 3,556.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612.34 : 12,917.03 = 2,370.97 : x
  2. Step 2: Convert to fraction form
    8,612.34/12,917.03 = 2,370.97/x
  3. Step 3: Cross multiply
    8,612.34x = 12,917.03 × 2,370.97
  4. Step 4: Simplify right side
    8,612.34x = 30,625,826.03
  5. Step 5: Solve for x
    x = 30,625,826.03/8,612.34
  6. Step 6: Final answer
    x = 3,556.04

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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.