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Finding the Fourth Proportional to 6,613.68, 9,912.94 and 2,713.26

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Solution

The fourth proportional to 6,613.68, 9,912.94 and 2,713.26 is: 4,066.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,613.68 : 9,912.94 = 2,713.26 : x
  2. Step 2: Convert to fraction form
    6,613.68/9,912.94 = 2,713.26/x
  3. Step 3: Cross multiply
    6,613.68x = 9,912.94 × 2,713.26
  4. Step 4: Simplify right side
    6,613.68x = 26,896,383.58
  5. Step 5: Solve for x
    x = 26,896,383.58/6,613.68
  6. Step 6: Final answer
    x = 4,066.78

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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.