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Finding the Fourth Proportional to 2,734.09, 4,100.28 and 884.76

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Solution

The fourth proportional to 2,734.09, 4,100.28 and 884.76 is: 1,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.09 : 4,100.28 = 884.76 : x
  2. Step 2: Convert to fraction form
    2,734.09/4,100.28 = 884.76/x
  3. Step 3: Cross multiply
    2,734.09x = 4,100.28 × 884.76
  4. Step 4: Simplify right side
    2,734.09x = 3,627,763.73
  5. Step 5: Solve for x
    x = 3,627,763.73/2,734.09
  6. Step 6: Final answer
    x = 1,326.86

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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.