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Finding the Fourth Proportional to 57,201.70, 85,826.85 and 27,604.30

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Solution

The fourth proportional to 57,201.70, 85,826.85 and 27,604.30 is: 41,418.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,201.70 : 85,826.85 = 27,604.30 : x
  2. Step 2: Convert to fraction form
    57,201.70/85,826.85 = 27,604.30/x
  3. Step 3: Cross multiply
    57,201.70x = 85,826.85 × 27,604.30
  4. Step 4: Simplify right side
    57,201.70x = 2,369,190,115.46
  5. Step 5: Solve for x
    x = 2,369,190,115.46/57,201.70
  6. Step 6: Final answer
    x = 41,418.18

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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.