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Finding the Fourth Proportional to 36,640.46, 54,964.68 and 11,674.64

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Solution

The fourth proportional to 36,640.46, 54,964.68 and 11,674.64 is: 17,513.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,640.46 : 54,964.68 = 11,674.64 : x
  2. Step 2: Convert to fraction form
    36,640.46/54,964.68 = 11,674.64/x
  3. Step 3: Cross multiply
    36,640.46x = 54,964.68 × 11,674.64
  4. Step 4: Simplify right side
    36,640.46x = 641,692,793.34
  5. Step 5: Solve for x
    x = 641,692,793.34/36,640.46
  6. Step 6: Final answer
    x = 17,513.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.