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Finding the Fourth Proportional to 37,049.58, 51,125.22 and 21,939.57

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Solution

The fourth proportional to 37,049.58, 51,125.22 and 21,939.57 is: 30,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,049.58 : 51,125.22 = 21,939.57 : x
  2. Step 2: Convert to fraction form
    37,049.58/51,125.22 = 21,939.57/x
  3. Step 3: Cross multiply
    37,049.58x = 51,125.22 × 21,939.57
  4. Step 4: Simplify right side
    37,049.58x = 1,121,665,342.96
  5. Step 5: Solve for x
    x = 1,121,665,342.96/37,049.58
  6. Step 6: Final answer
    x = 30,274.71

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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.