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Finding the Fourth Proportional to 48,889.94, 67,469.72 and 27,668.75

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Solution

The fourth proportional to 48,889.94, 67,469.72 and 27,668.75 is: 38,183.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,889.94 : 67,469.72 = 27,668.75 : x
  2. Step 2: Convert to fraction form
    48,889.94/67,469.72 = 27,668.75/x
  3. Step 3: Cross multiply
    48,889.94x = 67,469.72 × 27,668.75
  4. Step 4: Simplify right side
    48,889.94x = 1,866,802,339.56
  5. Step 5: Solve for x
    x = 1,866,802,339.56/48,889.94
  6. Step 6: Final answer
    x = 38,183.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.