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Finding the Fourth Proportional to 36,612, 50,532.12 and 20,697.12

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Solution

The fourth proportional to 36,612, 50,532.12 and 20,697.12 is: 28,566.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,612 : 50,532.12 = 20,697.12 : x
  2. Step 2: Convert to fraction form
    36,612/50,532.12 = 20,697.12/x
  3. Step 3: Cross multiply
    36,612x = 50,532.12 × 20,697.12
  4. Step 4: Simplify right side
    36,612x = 1,045,869,351.49
  5. Step 5: Solve for x
    x = 1,045,869,351.49/36,612
  6. Step 6: Final answer
    x = 28,566.30

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Double scale
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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.