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Finding the Fourth Proportional to 49,375.54, 68,138.77 and 27,019.54

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Solution

The fourth proportional to 49,375.54, 68,138.77 and 27,019.54 is: 37,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,375.54 : 68,138.77 = 27,019.54 : x
  2. Step 2: Convert to fraction form
    49,375.54/68,138.77 = 27,019.54/x
  3. Step 3: Cross multiply
    49,375.54x = 68,138.77 × 27,019.54
  4. Step 4: Simplify right side
    49,375.54x = 1,841,078,221.57
  5. Step 5: Solve for x
    x = 1,841,078,221.57/49,375.54
  6. Step 6: Final answer
    x = 37,287.25

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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.