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Finding the Fourth Proportional to 27,608.69, 41,419.65 and 8,890.49

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Solution

The fourth proportional to 27,608.69, 41,419.65 and 8,890.49 is: 13,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,608.69 : 41,419.65 = 8,890.49 : x
  2. Step 2: Convert to fraction form
    27,608.69/41,419.65 = 8,890.49/x
  3. Step 3: Cross multiply
    27,608.69x = 41,419.65 × 8,890.49
  4. Step 4: Simplify right side
    27,608.69x = 368,241,121.02
  5. Step 5: Solve for x
    x = 368,241,121.02/27,608.69
  6. Step 6: Final answer
    x = 13,337.87

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.