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Finding the Fourth Proportional to 8,601.15, 12,869.10 and 5,093.04

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Solution

The fourth proportional to 8,601.15, 12,869.10 and 5,093.04 is: 7,620.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,601.15 : 12,869.10 = 5,093.04 : x
  2. Step 2: Convert to fraction form
    8,601.15/12,869.10 = 5,093.04/x
  3. Step 3: Cross multiply
    8,601.15x = 12,869.10 × 5,093.04
  4. Step 4: Simplify right side
    8,601.15x = 65,542,841.06
  5. Step 5: Solve for x
    x = 65,542,841.06/8,601.15
  6. Step 6: Final answer
    x = 7,620.24

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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.