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Finding the Fourth Proportional to 2,741.94, 4,112.45 and 793.69

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Solution

The fourth proportional to 2,741.94, 4,112.45 and 793.69 is: 1,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.94 : 4,112.45 = 793.69 : x
  2. Step 2: Convert to fraction form
    2,741.94/4,112.45 = 793.69/x
  3. Step 3: Cross multiply
    2,741.94x = 4,112.45 × 793.69
  4. Step 4: Simplify right side
    2,741.94x = 3,264,010.44
  5. Step 5: Solve for x
    x = 3,264,010.44/2,741.94
  6. Step 6: Final answer
    x = 1,190.40

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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.