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Finding the Fourth Proportional to 41,602.76, 62,391.81 and 12,020.86

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Solution

The fourth proportional to 41,602.76, 62,391.81 and 12,020.86 is: 18,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,602.76 : 62,391.81 = 12,020.86 : x
  2. Step 2: Convert to fraction form
    41,602.76/62,391.81 = 12,020.86/x
  3. Step 3: Cross multiply
    41,602.76x = 62,391.81 × 12,020.86
  4. Step 4: Simplify right side
    41,602.76x = 750,003,213.16
  5. Step 5: Solve for x
    x = 750,003,213.16/41,602.76
  6. Step 6: Final answer
    x = 18,027.73

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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.