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Finding the Fourth Proportional to 50,700.70, 76,025.67 and 15,635.80

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Solution

The fourth proportional to 50,700.70, 76,025.67 and 15,635.80 is: 23,445.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,700.70 : 76,025.67 = 15,635.80 : x
  2. Step 2: Convert to fraction form
    50,700.70/76,025.67 = 15,635.80/x
  3. Step 3: Cross multiply
    50,700.70x = 76,025.67 × 15,635.80
  4. Step 4: Simplify right side
    50,700.70x = 1,188,722,170.99
  5. Step 5: Solve for x
    x = 1,188,722,170.99/50,700.70
  6. Step 6: Final answer
    x = 23,445.87

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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.