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Finding the Fourth Proportional to 27,805.37, 41,699.37 and 8,085.92

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Solution

The fourth proportional to 27,805.37, 41,699.37 and 8,085.92 is: 12,126.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,805.37 : 41,699.37 = 8,085.92 : x
  2. Step 2: Convert to fraction form
    27,805.37/41,699.37 = 8,085.92/x
  3. Step 3: Cross multiply
    27,805.37x = 41,699.37 × 8,085.92
  4. Step 4: Simplify right side
    27,805.37x = 337,177,769.87
  5. Step 5: Solve for x
    x = 337,177,769.87/27,805.37
  6. Step 6: Final answer
    x = 12,126.35

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1.5x scale

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.