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Finding the Fourth Proportional to 36,311.96, 50,115.96 and 22,172.96

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Solution

The fourth proportional to 36,311.96, 50,115.96 and 22,172.96 is: 30,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.96 : 50,115.96 = 22,172.96 : x
  2. Step 2: Convert to fraction form
    36,311.96/50,115.96 = 22,172.96/x
  3. Step 3: Cross multiply
    36,311.96x = 50,115.96 × 22,172.96
  4. Step 4: Simplify right side
    36,311.96x = 1,111,219,176.44
  5. Step 5: Solve for x
    x = 1,111,219,176.44/36,311.96
  6. Step 6: Final answer
    x = 30,602.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.