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Finding the Fourth Proportional to 6,207, 9,311.72 and 2,744.25

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Solution

The fourth proportional to 6,207, 9,311.72 and 2,744.25 is: 4,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,207 : 9,311.72 = 2,744.25 : x
  2. Step 2: Convert to fraction form
    6,207/9,311.72 = 2,744.25/x
  3. Step 3: Cross multiply
    6,207x = 9,311.72 × 2,744.25
  4. Step 4: Simplify right side
    6,207x = 25,553,673.89
  5. Step 5: Solve for x
    x = 25,553,673.89/6,207
  6. Step 6: Final answer
    x = 4,116.91

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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.