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Finding the Fourth Proportional to 36,611.28, 54,921.24 and 11,652.48

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Solution

The fourth proportional to 36,611.28, 54,921.24 and 11,652.48 is: 17,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,611.28 : 54,921.24 = 11,652.48 : x
  2. Step 2: Convert to fraction form
    36,611.28/54,921.24 = 11,652.48/x
  3. Step 3: Cross multiply
    36,611.28x = 54,921.24 × 11,652.48
  4. Step 4: Simplify right side
    36,611.28x = 639,968,650.68
  5. Step 5: Solve for x
    x = 639,968,650.68/36,611.28
  6. Step 6: Final answer
    x = 17,480.09

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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.