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Finding the Fourth Proportional to 61,789.69, 92,691.74 and 22,365.37

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Solution

The fourth proportional to 61,789.69, 92,691.74 and 22,365.37 is: 33,550.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,789.69 : 92,691.74 = 22,365.37 : x
  2. Step 2: Convert to fraction form
    61,789.69/92,691.74 = 22,365.37/x
  3. Step 3: Cross multiply
    61,789.69x = 92,691.74 × 22,365.37
  4. Step 4: Simplify right side
    61,789.69x = 2,073,085,061.04
  5. Step 5: Solve for x
    x = 2,073,085,061.04/61,789.69
  6. Step 6: Final answer
    x = 33,550.66

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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.