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Finding the Fourth Proportional to 2,743.20, 4,114.44 and 795.56

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Solution

The fourth proportional to 2,743.20, 4,114.44 and 795.56 is: 1,193.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.20 : 4,114.44 = 795.56 : x
  2. Step 2: Convert to fraction form
    2,743.20/4,114.44 = 795.56/x
  3. Step 3: Cross multiply
    2,743.20x = 4,114.44 × 795.56
  4. Step 4: Simplify right side
    2,743.20x = 3,273,263.31
  5. Step 5: Solve for x
    x = 3,273,263.31/2,743.20
  6. Step 6: Final answer
    x = 1,193.23

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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.