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Finding the Fourth Proportional to 5,029.38, 6,940.62 and 2,791.62

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Solution

The fourth proportional to 5,029.38, 6,940.62 and 2,791.62 is: 3,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,029.38 : 6,940.62 = 2,791.62 : x
  2. Step 2: Convert to fraction form
    5,029.38/6,940.62 = 2,791.62/x
  3. Step 3: Cross multiply
    5,029.38x = 6,940.62 × 2,791.62
  4. Step 4: Simplify right side
    5,029.38x = 19,375,573.60
  5. Step 5: Solve for x
    x = 19,375,573.60/5,029.38
  6. Step 6: Final answer
    x = 3,852.48

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.