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Finding the Fourth Proportional to 57,103.50, 85,606.02 and 27,480.60

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Solution

The fourth proportional to 57,103.50, 85,606.02 and 27,480.60 is: 41,197.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,103.50 : 85,606.02 = 27,480.60 : x
  2. Step 2: Convert to fraction form
    57,103.50/85,606.02 = 27,480.60/x
  3. Step 3: Cross multiply
    57,103.50x = 85,606.02 × 27,480.60
  4. Step 4: Simplify right side
    57,103.50x = 2,352,504,793.21
  5. Step 5: Solve for x
    x = 2,352,504,793.21/57,103.50
  6. Step 6: Final answer
    x = 41,197.21

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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.