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Finding the Fourth Proportional to 57,191.70, 85,836.15 and 25,650.30

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Solution

The fourth proportional to 57,191.70, 85,836.15 and 25,650.30 is: 38,497.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,191.70 : 85,836.15 = 25,650.30 : x
  2. Step 2: Convert to fraction form
    57,191.70/85,836.15 = 25,650.30/x
  3. Step 3: Cross multiply
    57,191.70x = 85,836.15 × 25,650.30
  4. Step 4: Simplify right side
    57,191.70x = 2,201,722,998.35
  5. Step 5: Solve for x
    x = 2,201,722,998.35/57,191.70
  6. Step 6: Final answer
    x = 38,497.25

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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.