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Finding the Fourth Proportional to 36,489.44, 54,734.52 and 11,529.02

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Solution

The fourth proportional to 36,489.44, 54,734.52 and 11,529.02 is: 17,293.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,489.44 : 54,734.52 = 11,529.02 : x
  2. Step 2: Convert to fraction form
    36,489.44/54,734.52 = 11,529.02/x
  3. Step 3: Cross multiply
    36,489.44x = 54,734.52 × 11,529.02
  4. Step 4: Simplify right side
    36,489.44x = 631,035,375.77
  5. Step 5: Solve for x
    x = 631,035,375.77/36,489.44
  6. Step 6: Final answer
    x = 17,293.64

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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.