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Finding the Fourth Proportional to 36,436, 54,603.20 and 27,544

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Solution

The fourth proportional to 36,436, 54,603.20 and 27,544 is: 41,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,436 : 54,603.20 = 27,544 : x
  2. Step 2: Convert to fraction form
    36,436/54,603.20 = 27,544/x
  3. Step 3: Cross multiply
    36,436x = 54,603.20 × 27,544
  4. Step 4: Simplify right side
    36,436x = 1,503,990,540.80
  5. Step 5: Solve for x
    x = 1,503,990,540.80/36,436
  6. Step 6: Final answer
    x = 41,277.60

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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.