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Finding the Fourth Proportional to 4,267.72, 5,891 and 2,499.88

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Solution

The fourth proportional to 4,267.72, 5,891 and 2,499.88 is: 3,450.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.72 : 5,891 = 2,499.88 : x
  2. Step 2: Convert to fraction form
    4,267.72/5,891 = 2,499.88/x
  3. Step 3: Cross multiply
    4,267.72x = 5,891 × 2,499.88
  4. Step 4: Simplify right side
    4,267.72x = 14,726,793.08
  5. Step 5: Solve for x
    x = 14,726,793.08/4,267.72
  6. Step 6: Final answer
    x = 3,450.74

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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.