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Finding the Fourth Proportional to 4,269, 5,891.28 and 2,613

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Solution

The fourth proportional to 4,269, 5,891.28 and 2,613 is: 3,605.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,269 : 5,891.28 = 2,613 : x
  2. Step 2: Convert to fraction form
    4,269/5,891.28 = 2,613/x
  3. Step 3: Cross multiply
    4,269x = 5,891.28 × 2,613
  4. Step 4: Simplify right side
    4,269x = 15,393,914.64
  5. Step 5: Solve for x
    x = 15,393,914.64/4,269
  6. Step 6: Final answer
    x = 3,605.98

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.