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Finding the Fourth Proportional to 57,351.73, 86,027.60 and 17,912.23

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Solution

The fourth proportional to 57,351.73, 86,027.60 and 17,912.23 is: 26,868.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,351.73 : 86,027.60 = 17,912.23 : x
  2. Step 2: Convert to fraction form
    57,351.73/86,027.60 = 17,912.23/x
  3. Step 3: Cross multiply
    57,351.73x = 86,027.60 × 17,912.23
  4. Step 4: Simplify right side
    57,351.73x = 1,540,946,157.55
  5. Step 5: Solve for x
    x = 1,540,946,157.55/57,351.73
  6. Step 6: Final answer
    x = 26,868.35

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Similar ratio
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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.