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Finding the Fourth Proportional to 57,141.56, 85,734.86 and 17,701.73

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Solution

The fourth proportional to 57,141.56, 85,734.86 and 17,701.73 is: 26,559.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,141.56 : 85,734.86 = 17,701.73 : x
  2. Step 2: Convert to fraction form
    57,141.56/85,734.86 = 17,701.73/x
  3. Step 3: Cross multiply
    57,141.56x = 85,734.86 × 17,701.73
  4. Step 4: Simplify right side
    57,141.56x = 1,517,654,826.12
  5. Step 5: Solve for x
    x = 1,517,654,826.12/57,141.56
  6. Step 6: Final answer
    x = 26,559.56

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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.