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Finding the Fourth Proportional to 57,224.70, 85,850.10 and 17,785.80

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Solution

The fourth proportional to 57,224.70, 85,850.10 and 17,785.80 is: 26,682.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,224.70 : 85,850.10 = 17,785.80 : x
  2. Step 2: Convert to fraction form
    57,224.70/85,850.10 = 17,785.80/x
  3. Step 3: Cross multiply
    57,224.70x = 85,850.10 × 17,785.80
  4. Step 4: Simplify right side
    57,224.70x = 1,526,912,708.58
  5. Step 5: Solve for x
    x = 1,526,912,708.58/57,224.70
  6. Step 6: Final answer
    x = 26,682.76

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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.