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Finding the Fourth Proportional to 27,808.83, 41,717.30 and 8,084.82

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Solution

The fourth proportional to 27,808.83, 41,717.30 and 8,084.82 is: 12,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,808.83 : 41,717.30 = 8,084.82 : x
  2. Step 2: Convert to fraction form
    27,808.83/41,717.30 = 8,084.82/x
  3. Step 3: Cross multiply
    27,808.83x = 41,717.30 × 8,084.82
  4. Step 4: Simplify right side
    27,808.83x = 337,276,861.39
  5. Step 5: Solve for x
    x = 337,276,861.39/27,808.83
  6. Step 6: Final answer
    x = 12,128.41

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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.