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Finding the Fourth Proportional to 2,608.68, 3,601.08 and 1,613.64

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Solution

The fourth proportional to 2,608.68, 3,601.08 and 1,613.64 is: 2,227.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.68 : 3,601.08 = 1,613.64 : x
  2. Step 2: Convert to fraction form
    2,608.68/3,601.08 = 1,613.64/x
  3. Step 3: Cross multiply
    2,608.68x = 3,601.08 × 1,613.64
  4. Step 4: Simplify right side
    2,608.68x = 5,810,846.73
  5. Step 5: Solve for x
    x = 5,810,846.73/2,608.68
  6. Step 6: Final answer
    x = 2,227.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.