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Finding the Fourth Proportional to 3,342.94, 4,608.90 and 2,743.20

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Solution

The fourth proportional to 3,342.94, 4,608.90 and 2,743.20 is: 3,782.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.94 : 4,608.90 = 2,743.20 : x
  2. Step 2: Convert to fraction form
    3,342.94/4,608.90 = 2,743.20/x
  3. Step 3: Cross multiply
    3,342.94x = 4,608.90 × 2,743.20
  4. Step 4: Simplify right side
    3,342.94x = 12,643,134.48
  5. Step 5: Solve for x
    x = 12,643,134.48/3,342.94
  6. Step 6: Final answer
    x = 3,782.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.