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Finding the Fourth Proportional to 3,704.86, 5,558.91 and 2,881.90

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Solution

The fourth proportional to 3,704.86, 5,558.91 and 2,881.90 is: 4,324.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704.86 : 5,558.91 = 2,881.90 : x
  2. Step 2: Convert to fraction form
    3,704.86/5,558.91 = 2,881.90/x
  3. Step 3: Cross multiply
    3,704.86x = 5,558.91 × 2,881.90
  4. Step 4: Simplify right side
    3,704.86x = 16,020,222.73
  5. Step 5: Solve for x
    x = 16,020,222.73/3,704.86
  6. Step 6: Final answer
    x = 4,324.11

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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.