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Finding the Fourth Proportional to 8,599.92, 12,922.02 and 8,359.08

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Solution

The fourth proportional to 8,599.92, 12,922.02 and 8,359.08 is: 12,560.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.92 : 12,922.02 = 8,359.08 : x
  2. Step 2: Convert to fraction form
    8,599.92/12,922.02 = 8,359.08/x
  3. Step 3: Cross multiply
    8,599.92x = 12,922.02 × 8,359.08
  4. Step 4: Simplify right side
    8,599.92x = 108,016,198.94
  5. Step 5: Solve for x
    x = 108,016,198.94/8,599.92
  6. Step 6: Final answer
    x = 12,560.14

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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.