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Finding the Fourth Proportional to 57,351.75, 86,027.64 and 17,912.25

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Solution

The fourth proportional to 57,351.75, 86,027.64 and 17,912.25 is: 26,868.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,351.75 : 86,027.64 = 17,912.25 : x
  2. Step 2: Convert to fraction form
    57,351.75/86,027.64 = 17,912.25/x
  3. Step 3: Cross multiply
    57,351.75x = 86,027.64 × 17,912.25
  4. Step 4: Simplify right side
    57,351.75x = 1,540,948,594.59
  5. Step 5: Solve for x
    x = 1,540,948,594.59/57,351.75
  6. Step 6: Final answer
    x = 26,868.38

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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.