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Finding the Fourth Proportional to 36,274.72, 50,059 and 20,360.68

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Solution

The fourth proportional to 36,274.72, 50,059 and 20,360.68 is: 28,097.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,274.72 : 50,059 = 20,360.68 : x
  2. Step 2: Convert to fraction form
    36,274.72/50,059 = 20,360.68/x
  3. Step 3: Cross multiply
    36,274.72x = 50,059 × 20,360.68
  4. Step 4: Simplify right side
    36,274.72x = 1,019,235,280.12
  5. Step 5: Solve for x
    x = 1,019,235,280.12/36,274.72
  6. Step 6: Final answer
    x = 28,097.67

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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.