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Finding the Fourth Proportional to 8,769.08, 12,100.89 and 4,789.46

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Solution

The fourth proportional to 8,769.08, 12,100.89 and 4,789.46 is: 6,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,769.08 : 12,100.89 = 4,789.46 : x
  2. Step 2: Convert to fraction form
    8,769.08/12,100.89 = 4,789.46/x
  3. Step 3: Cross multiply
    8,769.08x = 12,100.89 × 4,789.46
  4. Step 4: Simplify right side
    8,769.08x = 57,956,728.62
  5. Step 5: Solve for x
    x = 57,956,728.62/8,769.08
  6. Step 6: Final answer
    x = 6,609.21

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