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Finding the Fourth Proportional to 2,233.96, 3,351.46 and 774.16

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Solution

The fourth proportional to 2,233.96, 3,351.46 and 774.16 is: 1,161.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,233.96 : 3,351.46 = 774.16 : x
  2. Step 2: Convert to fraction form
    2,233.96/3,351.46 = 774.16/x
  3. Step 3: Cross multiply
    2,233.96x = 3,351.46 × 774.16
  4. Step 4: Simplify right side
    2,233.96x = 2,594,566.27
  5. Step 5: Solve for x
    x = 2,594,566.27/2,233.96
  6. Step 6: Final answer
    x = 1,161.42

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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.