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Finding the Fourth Proportional to 36,491.91, 54,601.17 and 25,986.21

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Solution

The fourth proportional to 36,491.91, 54,601.17 and 25,986.21 is: 38,881.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,491.91 : 54,601.17 = 25,986.21 : x
  2. Step 2: Convert to fraction form
    36,491.91/54,601.17 = 25,986.21/x
  3. Step 3: Cross multiply
    36,491.91x = 54,601.17 × 25,986.21
  4. Step 4: Simplify right side
    36,491.91x = 1,418,877,469.87
  5. Step 5: Solve for x
    x = 1,418,877,469.87/36,491.91
  6. Step 6: Final answer
    x = 38,881.97

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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.