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Finding the Fourth Proportional to 36,661.52, 50,589.84 and 20,742.32

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Solution

The fourth proportional to 36,661.52, 50,589.84 and 20,742.32 is: 28,622.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,661.52 : 50,589.84 = 20,742.32 : x
  2. Step 2: Convert to fraction form
    36,661.52/50,589.84 = 20,742.32/x
  3. Step 3: Cross multiply
    36,661.52x = 50,589.84 × 20,742.32
  4. Step 4: Simplify right side
    36,661.52x = 1,049,350,650.03
  5. Step 5: Solve for x
    x = 1,049,350,650.03/36,661.52
  6. Step 6: Final answer
    x = 28,622.67

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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.