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Finding the Fourth Proportional to 38,425.92, 57,645.02 and 16,239.48

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Solution

The fourth proportional to 38,425.92, 57,645.02 and 16,239.48 is: 24,361.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,425.92 : 57,645.02 = 16,239.48 : x
  2. Step 2: Convert to fraction form
    38,425.92/57,645.02 = 16,239.48/x
  3. Step 3: Cross multiply
    38,425.92x = 57,645.02 × 16,239.48
  4. Step 4: Simplify right side
    38,425.92x = 936,125,149.39
  5. Step 5: Solve for x
    x = 936,125,149.39/38,425.92
  6. Step 6: Final answer
    x = 24,361.81

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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.