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Finding the Fourth Proportional to 2,202.70, 3,303.75 and 741.86

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Solution

The fourth proportional to 2,202.70, 3,303.75 and 741.86 is: 1,112.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.70 : 3,303.75 = 741.86 : x
  2. Step 2: Convert to fraction form
    2,202.70/3,303.75 = 741.86/x
  3. Step 3: Cross multiply
    2,202.70x = 3,303.75 × 741.86
  4. Step 4: Simplify right side
    2,202.70x = 2,450,919.98
  5. Step 5: Solve for x
    x = 2,450,919.98/2,202.70
  6. Step 6: Final answer
    x = 1,112.69

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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.