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Finding the Fourth Proportional to 8,599.92, 12,895.62 and 3,601.38

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Solution

The fourth proportional to 8,599.92, 12,895.62 and 3,601.38 is: 5,400.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,599.92 : 12,895.62 = 3,601.38 : x
  2. Step 2: Convert to fraction form
    8,599.92/12,895.62 = 3,601.38/x
  3. Step 3: Cross multiply
    8,599.92x = 12,895.62 × 3,601.38
  4. Step 4: Simplify right side
    8,599.92x = 46,442,027.96
  5. Step 5: Solve for x
    x = 46,442,027.96/8,599.92
  6. Step 6: Final answer
    x = 5,400.29

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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.