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Finding the Fourth Proportional to 36,291.70, 54,446.82 and 17,580.70

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Solution

The fourth proportional to 36,291.70, 54,446.82 and 17,580.70 is: 26,375.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.70 : 54,446.82 = 17,580.70 : x
  2. Step 2: Convert to fraction form
    36,291.70/54,446.82 = 17,580.70/x
  3. Step 3: Cross multiply
    36,291.70x = 54,446.82 × 17,580.70
  4. Step 4: Simplify right side
    36,291.70x = 957,213,208.37
  5. Step 5: Solve for x
    x = 957,213,208.37/36,291.70
  6. Step 6: Final answer
    x = 26,375.54

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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.