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Finding the Fourth Proportional to 8,125.91, 12,193.69 and 2,932.19

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Solution

The fourth proportional to 8,125.91, 12,193.69 and 2,932.19 is: 4,400.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.91 : 12,193.69 = 2,932.19 : x
  2. Step 2: Convert to fraction form
    8,125.91/12,193.69 = 2,932.19/x
  3. Step 3: Cross multiply
    8,125.91x = 12,193.69 × 2,932.19
  4. Step 4: Simplify right side
    8,125.91x = 35,754,215.88
  5. Step 5: Solve for x
    x = 35,754,215.88/8,125.91
  6. Step 6: Final answer
    x = 4,400.03

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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.