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Finding the Fourth Proportional to 27,494.44, 37,945.42 and 15,558.55

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Solution

The fourth proportional to 27,494.44, 37,945.42 and 15,558.55 is: 21,472.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,494.44 : 37,945.42 = 15,558.55 : x
  2. Step 2: Convert to fraction form
    27,494.44/37,945.42 = 15,558.55/x
  3. Step 3: Cross multiply
    27,494.44x = 37,945.42 × 15,558.55
  4. Step 4: Simplify right side
    27,494.44x = 590,375,671.56
  5. Step 5: Solve for x
    x = 590,375,671.56/27,494.44
  6. Step 6: Final answer
    x = 21,472.54

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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.