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Finding the Fourth Proportional to 57,188.38, 85,799.94 and 27,600.70

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Solution

The fourth proportional to 57,188.38, 85,799.94 and 27,600.70 is: 41,409.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,188.38 : 85,799.94 = 27,600.70 : x
  2. Step 2: Convert to fraction form
    57,188.38/85,799.94 = 27,600.70/x
  3. Step 3: Cross multiply
    57,188.38x = 85,799.94 × 27,600.70
  4. Step 4: Simplify right side
    57,188.38x = 2,368,138,403.96
  5. Step 5: Solve for x
    x = 2,368,138,403.96/57,188.38
  6. Step 6: Final answer
    x = 41,409.43

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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.