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Finding the Fourth Proportional to 36,028, 54,042.24 and 11,404

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Solution

The fourth proportional to 36,028, 54,042.24 and 11,404 is: 17,106.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,028 : 54,042.24 = 11,404 : x
  2. Step 2: Convert to fraction form
    36,028/54,042.24 = 11,404/x
  3. Step 3: Cross multiply
    36,028x = 54,042.24 × 11,404
  4. Step 4: Simplify right side
    36,028x = 616,297,704.96
  5. Step 5: Solve for x
    x = 616,297,704.96/36,028
  6. Step 6: Final answer
    x = 17,106.08

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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.