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Finding the Fourth Proportional to 61,104.24, 91,474.92 and 33,318

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Solution

The fourth proportional to 61,104.24, 91,474.92 and 33,318 is: 49,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,104.24 : 91,474.92 = 33,318 : x
  2. Step 2: Convert to fraction form
    61,104.24/91,474.92 = 33,318/x
  3. Step 3: Cross multiply
    61,104.24x = 91,474.92 × 33,318
  4. Step 4: Simplify right side
    61,104.24x = 3,047,761,384.56
  5. Step 5: Solve for x
    x = 3,047,761,384.56/61,104.24
  6. Step 6: Final answer
    x = 49,878.07

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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.