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Finding the Fourth Proportional to 40,767, 55,958.34 and 36,190.70

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Solution

The fourth proportional to 40,767, 55,958.34 and 36,190.70 is: 49,676.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,767 : 55,958.34 = 36,190.70 : x
  2. Step 2: Convert to fraction form
    40,767/55,958.34 = 36,190.70/x
  3. Step 3: Cross multiply
    40,767x = 55,958.34 × 36,190.70
  4. Step 4: Simplify right side
    40,767x = 2,025,171,495.44
  5. Step 5: Solve for x
    x = 2,025,171,495.44/40,767
  6. Step 6: Final answer
    x = 49,676.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.