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Finding the Fourth Proportional to 3,361.62, 5,042.75 and 896.59

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Solution

The fourth proportional to 3,361.62, 5,042.75 and 896.59 is: 1,344.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.62 : 5,042.75 = 896.59 : x
  2. Step 2: Convert to fraction form
    3,361.62/5,042.75 = 896.59/x
  3. Step 3: Cross multiply
    3,361.62x = 5,042.75 × 896.59
  4. Step 4: Simplify right side
    3,361.62x = 4,521,279.22
  5. Step 5: Solve for x
    x = 4,521,279.22/3,361.62
  6. Step 6: Final answer
    x = 1,344.97

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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.