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Finding the Fourth Proportional to 36,796.98, 55,199.40 and 15,739.20

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Solution

The fourth proportional to 36,796.98, 55,199.40 and 15,739.20 is: 23,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,796.98 : 55,199.40 = 15,739.20 : x
  2. Step 2: Convert to fraction form
    36,796.98/55,199.40 = 15,739.20/x
  3. Step 3: Cross multiply
    36,796.98x = 55,199.40 × 15,739.20
  4. Step 4: Simplify right side
    36,796.98x = 868,794,396.48
  5. Step 5: Solve for x
    x = 868,794,396.48/36,796.98
  6. Step 6: Final answer
    x = 23,610.48

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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.