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Finding the Fourth Proportional to 61,936.92, 85,474.80 and 33,644.52

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Solution

The fourth proportional to 61,936.92, 85,474.80 and 33,644.52 is: 46,430.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,936.92 : 85,474.80 = 33,644.52 : x
  2. Step 2: Convert to fraction form
    61,936.92/85,474.80 = 33,644.52/x
  3. Step 3: Cross multiply
    61,936.92x = 85,474.80 × 33,644.52
  4. Step 4: Simplify right side
    61,936.92x = 2,875,758,618.10
  5. Step 5: Solve for x
    x = 2,875,758,618.10/61,936.92
  6. Step 6: Final answer
    x = 46,430.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.