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Finding the Fourth Proportional to 6,613.03, 9,861.22 and 5,694.49

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Solution

The fourth proportional to 6,613.03, 9,861.22 and 5,694.49 is: 8,491.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.03 : 9,861.22 = 5,694.49 : x
  2. Step 2: Convert to fraction form
    6,613.03/9,861.22 = 5,694.49/x
  3. Step 3: Cross multiply
    6,613.03x = 9,861.22 × 5,694.49
  4. Step 4: Simplify right side
    6,613.03x = 56,154,618.68
  5. Step 5: Solve for x
    x = 56,154,618.68/6,613.03
  6. Step 6: Final answer
    x = 8,491.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.