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Finding the Fourth Proportional to 3,944.22, 5,445.54 and 2,750.46

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Solution

The fourth proportional to 3,944.22, 5,445.54 and 2,750.46 is: 3,797.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.22 : 5,445.54 = 2,750.46 : x
  2. Step 2: Convert to fraction form
    3,944.22/5,445.54 = 2,750.46/x
  3. Step 3: Cross multiply
    3,944.22x = 5,445.54 × 2,750.46
  4. Step 4: Simplify right side
    3,944.22x = 14,977,739.95
  5. Step 5: Solve for x
    x = 14,977,739.95/3,944.22
  6. Step 6: Final answer
    x = 3,797.39

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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.