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Finding the Fourth Proportional to 36,374.88, 54,564.62 and 11,415.91

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Solution

The fourth proportional to 36,374.88, 54,564.62 and 11,415.91 is: 17,124.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,374.88 : 54,564.62 = 11,415.91 : x
  2. Step 2: Convert to fraction form
    36,374.88/54,564.62 = 11,415.91/x
  3. Step 3: Cross multiply
    36,374.88x = 54,564.62 × 11,415.91
  4. Step 4: Simplify right side
    36,374.88x = 622,904,791.10
  5. Step 5: Solve for x
    x = 622,904,791.10/36,374.88
  6. Step 6: Final answer
    x = 17,124.59

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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.