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Finding the Fourth Proportional to 62,213.44, 85,855.44 and 33,920.56

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Solution

The fourth proportional to 62,213.44, 85,855.44 and 33,920.56 is: 46,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,213.44 : 85,855.44 = 33,920.56 : x
  2. Step 2: Convert to fraction form
    62,213.44/85,855.44 = 33,920.56/x
  3. Step 3: Cross multiply
    62,213.44x = 85,855.44 × 33,920.56
  4. Step 4: Simplify right side
    62,213.44x = 2,912,264,603.85
  5. Step 5: Solve for x
    x = 2,912,264,603.85/62,213.44
  6. Step 6: Final answer
    x = 46,810.86

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1.5x scale

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.