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Finding the Fourth Proportional to 8,767.94, 12,099.68 and 4,789.04

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Solution

The fourth proportional to 8,767.94, 12,099.68 and 4,789.04 is: 6,608.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,767.94 : 12,099.68 = 4,789.04 : x
  2. Step 2: Convert to fraction form
    8,767.94/12,099.68 = 4,789.04/x
  3. Step 3: Cross multiply
    8,767.94x = 12,099.68 × 4,789.04
  4. Step 4: Simplify right side
    8,767.94x = 57,945,767.06
  5. Step 5: Solve for x
    x = 57,945,767.06/8,767.94
  6. Step 6: Final answer
    x = 6,608.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.