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Finding the Fourth Proportional to 6,613.17, 9,919.22 and 2,451.21

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Solution

The fourth proportional to 6,613.17, 9,919.22 and 2,451.21 is: 3,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.17 : 9,919.22 = 2,451.21 : x
  2. Step 2: Convert to fraction form
    6,613.17/9,919.22 = 2,451.21/x
  3. Step 3: Cross multiply
    6,613.17x = 9,919.22 × 2,451.21
  4. Step 4: Simplify right side
    6,613.17x = 24,314,079.00
  5. Step 5: Solve for x
    x = 24,314,079.00/6,613.17
  6. Step 6: Final answer
    x = 3,676.61

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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.