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Finding the Fourth Proportional to 57,683.80, 86,333.70 and 41,843.80

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Solution

The fourth proportional to 57,683.80, 86,333.70 and 41,843.80 is: 62,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,683.80 : 86,333.70 = 41,843.80 : x
  2. Step 2: Convert to fraction form
    57,683.80/86,333.70 = 41,843.80/x
  3. Step 3: Cross multiply
    57,683.80x = 86,333.70 × 41,843.80
  4. Step 4: Simplify right side
    57,683.80x = 3,612,530,076.06
  5. Step 5: Solve for x
    x = 3,612,530,076.06/57,683.80
  6. Step 6: Final answer
    x = 62,626.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.