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Finding the Fourth Proportional to 2,202.75, 3,303.43 and 741.56

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Solution

The fourth proportional to 2,202.75, 3,303.43 and 741.56 is: 1,112.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.75 : 3,303.43 = 741.56 : x
  2. Step 2: Convert to fraction form
    2,202.75/3,303.43 = 741.56/x
  3. Step 3: Cross multiply
    2,202.75x = 3,303.43 × 741.56
  4. Step 4: Simplify right side
    2,202.75x = 2,449,691.55
  5. Step 5: Solve for x
    x = 2,449,691.55/2,202.75
  6. Step 6: Final answer
    x = 1,112.11

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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.