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Finding the Fourth Proportional to 70,086.80, 96,732.34 and 41,794.31

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Solution

The fourth proportional to 70,086.80, 96,732.34 and 41,794.31 is: 57,683.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,086.80 : 96,732.34 = 41,794.31 : x
  2. Step 2: Convert to fraction form
    70,086.80/96,732.34 = 41,794.31/x
  3. Step 3: Cross multiply
    70,086.80x = 96,732.34 × 41,794.31
  4. Step 4: Simplify right side
    70,086.80x = 4,042,861,542.33
  5. Step 5: Solve for x
    x = 4,042,861,542.33/70,086.80
  6. Step 6: Final answer
    x = 57,683.64

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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.