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Finding the Fourth Proportional to 6,249.80, 9,379.31 and 2,962.90

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Solution

The fourth proportional to 6,249.80, 9,379.31 and 2,962.90 is: 4,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.80 : 9,379.31 = 2,962.90 : x
  2. Step 2: Convert to fraction form
    6,249.80/9,379.31 = 2,962.90/x
  3. Step 3: Cross multiply
    6,249.80x = 9,379.31 × 2,962.90
  4. Step 4: Simplify right side
    6,249.80x = 27,789,971.17
  5. Step 5: Solve for x
    x = 27,789,971.17/6,249.80
  6. Step 6: Final answer
    x = 4,446.54

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1.5x scale

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.