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Finding the Fourth Proportional to 6,613.02, 9,919.49 and 1,682.62

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Solution

The fourth proportional to 6,613.02, 9,919.49 and 1,682.62 is: 2,523.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.02 : 9,919.49 = 1,682.62 : x
  2. Step 2: Convert to fraction form
    6,613.02/9,919.49 = 1,682.62/x
  3. Step 3: Cross multiply
    6,613.02x = 9,919.49 × 1,682.62
  4. Step 4: Simplify right side
    6,613.02x = 16,690,732.26
  5. Step 5: Solve for x
    x = 16,690,732.26/6,613.02
  6. Step 6: Final answer
    x = 2,523.92

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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.