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Finding the Fourth Proportional to 36,590.69, 50,494.49 and 20,674.79

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Solution

The fourth proportional to 36,590.69, 50,494.49 and 20,674.79 is: 28,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,590.69 : 50,494.49 = 20,674.79 : x
  2. Step 2: Convert to fraction form
    36,590.69/50,494.49 = 20,674.79/x
  3. Step 3: Cross multiply
    36,590.69x = 50,494.49 × 20,674.79
  4. Step 4: Simplify right side
    36,590.69x = 1,043,962,976.91
  5. Step 5: Solve for x
    x = 1,043,962,976.91/36,590.69
  6. Step 6: Final answer
    x = 28,530.84

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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.