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Finding the Fourth Proportional to 62,149.96, 85,766.74 and 33,855.56

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Solution

The fourth proportional to 62,149.96, 85,766.74 and 33,855.56 is: 46,720.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,149.96 : 85,766.74 = 33,855.56 : x
  2. Step 2: Convert to fraction form
    62,149.96/85,766.74 = 33,855.56/x
  3. Step 3: Cross multiply
    62,149.96x = 85,766.74 × 33,855.56
  4. Step 4: Simplify right side
    62,149.96x = 2,903,681,012.07
  5. Step 5: Solve for x
    x = 2,903,681,012.07/62,149.96
  6. Step 6: Final answer
    x = 46,720.56

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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.