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Finding the Fourth Proportional to 57,165.70, 85,797.15 and 25,624.30

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Solution

The fourth proportional to 57,165.70, 85,797.15 and 25,624.30 is: 38,458.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,165.70 : 85,797.15 = 25,624.30 : x
  2. Step 2: Convert to fraction form
    57,165.70/85,797.15 = 25,624.30/x
  3. Step 3: Cross multiply
    57,165.70x = 85,797.15 × 25,624.30
  4. Step 4: Simplify right side
    57,165.70x = 2,198,491,910.75
  5. Step 5: Solve for x
    x = 2,198,491,910.75/57,165.70
  6. Step 6: Final answer
    x = 38,458.23

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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.