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Finding the Fourth Proportional to 40,161.70, 60,247.84 and 14,857.78

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Solution

The fourth proportional to 40,161.70, 60,247.84 and 14,857.78 is: 22,288.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,161.70 : 60,247.84 = 14,857.78 : x
  2. Step 2: Convert to fraction form
    40,161.70/60,247.84 = 14,857.78/x
  3. Step 3: Cross multiply
    40,161.70x = 60,247.84 × 14,857.78
  4. Step 4: Simplify right side
    40,161.70x = 895,149,152.20
  5. Step 5: Solve for x
    x = 895,149,152.20/40,161.70
  6. Step 6: Final answer
    x = 22,288.63

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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.