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Finding the Fourth Proportional to 61,232.39, 91,763.05 and 33,091.78

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Solution

The fourth proportional to 61,232.39, 91,763.05 and 33,091.78 is: 49,591.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,232.39 : 91,763.05 = 33,091.78 : x
  2. Step 2: Convert to fraction form
    61,232.39/91,763.05 = 33,091.78/x
  3. Step 3: Cross multiply
    61,232.39x = 91,763.05 × 33,091.78
  4. Step 4: Simplify right side
    61,232.39x = 3,036,602,662.73
  5. Step 5: Solve for x
    x = 3,036,602,662.73/61,232.39
  6. Step 6: Final answer
    x = 49,591.44

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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.