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Finding the Fourth Proportional to 62,149.98, 85,766.53 and 33,855.67

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Solution

The fourth proportional to 62,149.98, 85,766.53 and 33,855.67 is: 46,720.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,149.98 : 85,766.53 = 33,855.67 : x
  2. Step 2: Convert to fraction form
    62,149.98/85,766.53 = 33,855.67/x
  3. Step 3: Cross multiply
    62,149.98x = 85,766.53 × 33,855.67
  4. Step 4: Simplify right side
    62,149.98x = 2,903,683,336.73
  5. Step 5: Solve for x
    x = 2,903,683,336.73/62,149.98
  6. Step 6: Final answer
    x = 46,720.58

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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.