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Finding the Fourth Proportional to 61,490.88, 92,229.03 and 19,369.26

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Solution

The fourth proportional to 61,490.88, 92,229.03 and 19,369.26 is: 29,051.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,490.88 : 92,229.03 = 19,369.26 : x
  2. Step 2: Convert to fraction form
    61,490.88/92,229.03 = 19,369.26/x
  3. Step 3: Cross multiply
    61,490.88x = 92,229.03 × 19,369.26
  4. Step 4: Simplify right side
    61,490.88x = 1,786,408,061.62
  5. Step 5: Solve for x
    x = 1,786,408,061.62/61,490.88
  6. Step 6: Final answer
    x = 29,051.59

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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.