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Finding the Fourth Proportional to 2,608.19, 3,912.24 and 633.83

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Solution

The fourth proportional to 2,608.19, 3,912.24 and 633.83 is: 950.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,608.19 : 3,912.24 = 633.83 : x
  2. Step 2: Convert to fraction form
    2,608.19/3,912.24 = 633.83/x
  3. Step 3: Cross multiply
    2,608.19x = 3,912.24 × 633.83
  4. Step 4: Simplify right side
    2,608.19x = 2,479,695.08
  5. Step 5: Solve for x
    x = 2,479,695.08/2,608.19
  6. Step 6: Final answer
    x = 950.74

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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.