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Finding the Fourth Proportional to 4,266.99, 6,397.20 and 2,724.75

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Solution

The fourth proportional to 4,266.99, 6,397.20 and 2,724.75 is: 4,085.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.99 : 6,397.20 = 2,724.75 : x
  2. Step 2: Convert to fraction form
    4,266.99/6,397.20 = 2,724.75/x
  3. Step 3: Cross multiply
    4,266.99x = 6,397.20 × 2,724.75
  4. Step 4: Simplify right side
    4,266.99x = 17,430,770.70
  5. Step 5: Solve for x
    x = 17,430,770.70/4,266.99
  6. Step 6: Final answer
    x = 4,085.03

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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.