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Finding the Fourth Proportional to 62,149.79, 85,766.27 and 33,855.48

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Solution

The fourth proportional to 62,149.79, 85,766.27 and 33,855.48 is: 46,720.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,149.79 : 85,766.27 = 33,855.48 : x
  2. Step 2: Convert to fraction form
    62,149.79/85,766.27 = 33,855.48/x
  3. Step 3: Cross multiply
    62,149.79x = 85,766.27 × 33,855.48
  4. Step 4: Simplify right side
    62,149.79x = 2,903,658,069.38
  5. Step 5: Solve for x
    x = 2,903,658,069.38/62,149.79
  6. Step 6: Final answer
    x = 46,720.32

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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.