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Finding the Fourth Proportional to 2,734.44, 3,771 and 2,418.54

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Solution

The fourth proportional to 2,734.44, 3,771 and 2,418.54 is: 3,335.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.44 : 3,771 = 2,418.54 : x
  2. Step 2: Convert to fraction form
    2,734.44/3,771 = 2,418.54/x
  3. Step 3: Cross multiply
    2,734.44x = 3,771 × 2,418.54
  4. Step 4: Simplify right side
    2,734.44x = 9,120,314.34
  5. Step 5: Solve for x
    x = 9,120,314.34/2,734.44
  6. Step 6: Final answer
    x = 3,335.35

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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.