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Finding the Fourth Proportional to 61,886.87, 92,747.15 and 33,764.78

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Solution

The fourth proportional to 61,886.87, 92,747.15 and 33,764.78 is: 50,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,886.87 : 92,747.15 = 33,764.78 : x
  2. Step 2: Convert to fraction form
    61,886.87/92,747.15 = 33,764.78/x
  3. Step 3: Cross multiply
    61,886.87x = 92,747.15 × 33,764.78
  4. Step 4: Simplify right side
    61,886.87x = 3,131,586,946.55
  5. Step 5: Solve for x
    x = 3,131,586,946.55/61,886.87
  6. Step 6: Final answer
    x = 50,601.80

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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.