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Finding the Fourth Proportional to 2,254.93, 3,380.27 and 793.15

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Solution

The fourth proportional to 2,254.93, 3,380.27 and 793.15 is: 1,188.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.93 : 3,380.27 = 793.15 : x
  2. Step 2: Convert to fraction form
    2,254.93/3,380.27 = 793.15/x
  3. Step 3: Cross multiply
    2,254.93x = 3,380.27 × 793.15
  4. Step 4: Simplify right side
    2,254.93x = 2,681,048.73
  5. Step 5: Solve for x
    x = 2,681,048.73/2,254.93
  6. Step 6: Final answer
    x = 1,188.97

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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.