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Finding the Fourth Proportional to 2,033.50, 3,050.70 and 627.82

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Solution

The fourth proportional to 2,033.50, 3,050.70 and 627.82 is: 941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,033.50 : 3,050.70 = 627.82 : x
  2. Step 2: Convert to fraction form
    2,033.50/3,050.70 = 627.82/x
  3. Step 3: Cross multiply
    2,033.50x = 3,050.70 × 627.82
  4. Step 4: Simplify right side
    2,033.50x = 1,915,290.47
  5. Step 5: Solve for x
    x = 1,915,290.47/2,033.50
  6. Step 6: Final answer
    x = 941.87

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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.