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Finding the Fourth Proportional to 57,626.52, 86,392.26 and 18,159

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Solution

The fourth proportional to 57,626.52, 86,392.26 and 18,159 is: 27,223.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,626.52 : 86,392.26 = 18,159 : x
  2. Step 2: Convert to fraction form
    57,626.52/86,392.26 = 18,159/x
  3. Step 3: Cross multiply
    57,626.52x = 86,392.26 × 18,159
  4. Step 4: Simplify right side
    57,626.52x = 1,568,797,049.34
  5. Step 5: Solve for x
    x = 1,568,797,049.34/57,626.52
  6. Step 6: Final answer
    x = 27,223.53

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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.