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Finding the Fourth Proportional to 27,958.94, 41,939.74 and 8,237.68

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Solution

The fourth proportional to 27,958.94, 41,939.74 and 8,237.68 is: 12,356.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,958.94 : 41,939.74 = 8,237.68 : x
  2. Step 2: Convert to fraction form
    27,958.94/41,939.74 = 8,237.68/x
  3. Step 3: Cross multiply
    27,958.94x = 41,939.74 × 8,237.68
  4. Step 4: Simplify right side
    27,958.94x = 345,486,157.40
  5. Step 5: Solve for x
    x = 345,486,157.40/27,958.94
  6. Step 6: Final answer
    x = 12,356.91

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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.