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Finding the Fourth Proportional to 36,486.53, 54,609.21 and 33,207.86

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Solution

The fourth proportional to 36,486.53, 54,609.21 and 33,207.86 is: 49,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,486.53 : 54,609.21 = 33,207.86 : x
  2. Step 2: Convert to fraction form
    36,486.53/54,609.21 = 33,207.86/x
  3. Step 3: Cross multiply
    36,486.53x = 54,609.21 × 33,207.86
  4. Step 4: Simplify right side
    36,486.53x = 1,813,454,561.31
  5. Step 5: Solve for x
    x = 1,813,454,561.31/36,486.53
  6. Step 6: Final answer
    x = 49,702.03

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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.