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Finding the Fourth Proportional to 57,143.38, 85,658.57 and 27,104.94

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Solution

The fourth proportional to 57,143.38, 85,658.57 and 27,104.94 is: 40,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,143.38 : 85,658.57 = 27,104.94 : x
  2. Step 2: Convert to fraction form
    57,143.38/85,658.57 = 27,104.94/x
  3. Step 3: Cross multiply
    57,143.38x = 85,658.57 × 27,104.94
  4. Step 4: Simplify right side
    57,143.38x = 2,321,769,836.52
  5. Step 5: Solve for x
    x = 2,321,769,836.52/57,143.38
  6. Step 6: Final answer
    x = 40,630.60

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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.