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Finding the Fourth Proportional to 2,734.22, 4,101.33 and 682.22

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Solution

The fourth proportional to 2,734.22, 4,101.33 and 682.22 is: 1,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.22 : 4,101.33 = 682.22 : x
  2. Step 2: Convert to fraction form
    2,734.22/4,101.33 = 682.22/x
  3. Step 3: Cross multiply
    2,734.22x = 4,101.33 × 682.22
  4. Step 4: Simplify right side
    2,734.22x = 2,798,009.35
  5. Step 5: Solve for x
    x = 2,798,009.35/2,734.22
  6. Step 6: Final answer
    x = 1,023.33

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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.