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Finding the Fourth Proportional to 61,224.54, 91,836.60 and 34,558.44

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Solution

The fourth proportional to 61,224.54, 91,836.60 and 34,558.44 is: 51,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,224.54 : 91,836.60 = 34,558.44 : x
  2. Step 2: Convert to fraction form
    61,224.54/91,836.60 = 34,558.44/x
  3. Step 3: Cross multiply
    61,224.54x = 91,836.60 × 34,558.44
  4. Step 4: Simplify right side
    61,224.54x = 3,173,729,630.90
  5. Step 5: Solve for x
    x = 3,173,729,630.90/61,224.54
  6. Step 6: Final answer
    x = 51,837.54

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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.