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Finding the Fourth Proportional to 36,497.86, 50,367.13 and 19,730.86

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Solution

The fourth proportional to 36,497.86, 50,367.13 and 19,730.86 is: 27,228.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,497.86 : 50,367.13 = 19,730.86 : x
  2. Step 2: Convert to fraction form
    36,497.86/50,367.13 = 19,730.86/x
  3. Step 3: Cross multiply
    36,497.86x = 50,367.13 × 19,730.86
  4. Step 4: Simplify right side
    36,497.86x = 993,786,615.39
  5. Step 5: Solve for x
    x = 993,786,615.39/36,497.86
  6. Step 6: Final answer
    x = 27,228.63

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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.