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Finding the Fourth Proportional to 2,255.93, 3,381.76 and 794.15

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Solution

The fourth proportional to 2,255.93, 3,381.76 and 794.15 is: 1,190.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.93 : 3,381.76 = 794.15 : x
  2. Step 2: Convert to fraction form
    2,255.93/3,381.76 = 794.15/x
  3. Step 3: Cross multiply
    2,255.93x = 3,381.76 × 794.15
  4. Step 4: Simplify right side
    2,255.93x = 2,685,624.70
  5. Step 5: Solve for x
    x = 2,685,624.70/2,255.93
  6. Step 6: Final answer
    x = 1,190.47

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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.