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Finding the Fourth Proportional to 62,138.88, 85,750.85 and 33,844.57

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Solution

The fourth proportional to 62,138.88, 85,750.85 and 33,844.57 is: 46,705.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.88 : 85,750.85 = 33,844.57 : x
  2. Step 2: Convert to fraction form
    62,138.88/85,750.85 = 33,844.57/x
  3. Step 3: Cross multiply
    62,138.88x = 85,750.85 × 33,844.57
  4. Step 4: Simplify right side
    62,138.88x = 2,902,200,515.62
  5. Step 5: Solve for x
    x = 2,902,200,515.62/62,138.88
  6. Step 6: Final answer
    x = 46,705.07

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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.