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Finding the Fourth Proportional to 3,742.59, 5,591.15 and 2,679.98

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Solution

The fourth proportional to 3,742.59, 5,591.15 and 2,679.98 is: 4,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,742.59 : 5,591.15 = 2,679.98 : x
  2. Step 2: Convert to fraction form
    3,742.59/5,591.15 = 2,679.98/x
  3. Step 3: Cross multiply
    3,742.59x = 5,591.15 × 2,679.98
  4. Step 4: Simplify right side
    3,742.59x = 14,984,128.82
  5. Step 5: Solve for x
    x = 14,984,128.82/3,742.59
  6. Step 6: Final answer
    x = 4,003.68

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.