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Finding the Fourth Proportional to 2,202.72, 3,303.84 and 741.84

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Solution

The fourth proportional to 2,202.72, 3,303.84 and 741.84 is: 1,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.72 : 3,303.84 = 741.84 : x
  2. Step 2: Convert to fraction form
    2,202.72/3,303.84 = 741.84/x
  3. Step 3: Cross multiply
    2,202.72x = 3,303.84 × 741.84
  4. Step 4: Simplify right side
    2,202.72x = 2,450,920.67
  5. Step 5: Solve for x
    x = 2,450,920.67/2,202.72
  6. Step 6: Final answer
    x = 1,112.68

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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.