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Finding the Fourth Proportional to 27,803.54, 41,711.85 and 8,081.52

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Solution

The fourth proportional to 27,803.54, 41,711.85 and 8,081.52 is: 12,124.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,803.54 : 41,711.85 = 8,081.52 : x
  2. Step 2: Convert to fraction form
    27,803.54/41,711.85 = 8,081.52/x
  3. Step 3: Cross multiply
    27,803.54x = 41,711.85 × 8,081.52
  4. Step 4: Simplify right side
    27,803.54x = 337,095,150.01
  5. Step 5: Solve for x
    x = 337,095,150.01/27,803.54
  6. Step 6: Final answer
    x = 12,124.18

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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.