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Finding the Fourth Proportional to 35,745.62, 49,334.90 and 19,835.20

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Solution

The fourth proportional to 35,745.62, 49,334.90 and 19,835.20 is: 27,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.62 : 49,334.90 = 19,835.20 : x
  2. Step 2: Convert to fraction form
    35,745.62/49,334.90 = 19,835.20/x
  3. Step 3: Cross multiply
    35,745.62x = 49,334.90 × 19,835.20
  4. Step 4: Simplify right side
    35,745.62x = 978,567,608.48
  5. Step 5: Solve for x
    x = 978,567,608.48/35,745.62
  6. Step 6: Final answer
    x = 27,375.87

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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.