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Finding the Fourth Proportional to 61,232.15, 91,762.68 and 33,091.54

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Solution

The fourth proportional to 61,232.15, 91,762.68 and 33,091.54 is: 49,591.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,232.15 : 91,762.68 = 33,091.54 : x
  2. Step 2: Convert to fraction form
    61,232.15/91,762.68 = 33,091.54/x
  3. Step 3: Cross multiply
    61,232.15x = 91,762.68 × 33,091.54
  4. Step 4: Simplify right side
    61,232.15x = 3,036,567,936.91
  5. Step 5: Solve for x
    x = 3,036,567,936.91/61,232.15
  6. Step 6: Final answer
    x = 49,591.07

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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.