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Finding the Fourth Proportional to 61,845.66, 92,694.68 and 33,772.78

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Solution

The fourth proportional to 61,845.66, 92,694.68 and 33,772.78 is: 50,618.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,845.66 : 92,694.68 = 33,772.78 : x
  2. Step 2: Convert to fraction form
    61,845.66/92,694.68 = 33,772.78/x
  3. Step 3: Cross multiply
    61,845.66x = 92,694.68 × 33,772.78
  4. Step 4: Simplify right side
    61,845.66x = 3,130,557,108.46
  5. Step 5: Solve for x
    x = 3,130,557,108.46/61,845.66
  6. Step 6: Final answer
    x = 50,618.86

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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.