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Finding the Fourth Proportional to 61,247.44, 84,524.68 and 34,388.56

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Solution

The fourth proportional to 61,247.44, 84,524.68 and 34,388.56 is: 47,458.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,247.44 : 84,524.68 = 34,388.56 : x
  2. Step 2: Convert to fraction form
    61,247.44/84,524.68 = 34,388.56/x
  3. Step 3: Cross multiply
    61,247.44x = 84,524.68 × 34,388.56
  4. Step 4: Simplify right side
    61,247.44x = 2,906,682,029.66
  5. Step 5: Solve for x
    x = 2,906,682,029.66/61,247.44
  6. Step 6: Final answer
    x = 47,458.02

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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.