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Finding the Fourth Proportional to 36,239.71, 54,375.22 and 19,611.48

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Solution

The fourth proportional to 36,239.71, 54,375.22 and 19,611.48 is: 29,425.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239.71 : 54,375.22 = 19,611.48 : x
  2. Step 2: Convert to fraction form
    36,239.71/54,375.22 = 19,611.48/x
  3. Step 3: Cross multiply
    36,239.71x = 54,375.22 × 19,611.48
  4. Step 4: Simplify right side
    36,239.71x = 1,066,378,539.53
  5. Step 5: Solve for x
    x = 1,066,378,539.53/36,239.71
  6. Step 6: Final answer
    x = 29,425.69

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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.