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Finding the Fourth Proportional to 38,604.52, 57,888.27 and 18,859.96

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Solution

The fourth proportional to 38,604.52, 57,888.27 and 18,859.96 is: 28,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,604.52 : 57,888.27 = 18,859.96 : x
  2. Step 2: Convert to fraction form
    38,604.52/57,888.27 = 18,859.96/x
  3. Step 3: Cross multiply
    38,604.52x = 57,888.27 × 18,859.96
  4. Step 4: Simplify right side
    38,604.52x = 1,091,770,456.67
  5. Step 5: Solve for x
    x = 1,091,770,456.67/38,604.52
  6. Step 6: Final answer
    x = 28,280.90

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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.