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Finding the Fourth Proportional to 36,690.47, 50,632.90 and 19,923.47

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Solution

The fourth proportional to 36,690.47, 50,632.90 and 19,923.47 is: 27,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,690.47 : 50,632.90 = 19,923.47 : x
  2. Step 2: Convert to fraction form
    36,690.47/50,632.90 = 19,923.47/x
  3. Step 3: Cross multiply
    36,690.47x = 50,632.90 × 19,923.47
  4. Step 4: Simplify right side
    36,690.47x = 1,008,782,951.06
  5. Step 5: Solve for x
    x = 1,008,782,951.06/36,690.47
  6. Step 6: Final answer
    x = 27,494.41

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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.