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Finding the Fourth Proportional to 36,697, 50,646.18 and 21,793

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Solution

The fourth proportional to 36,697, 50,646.18 and 21,793 is: 30,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,697 : 50,646.18 = 21,793 : x
  2. Step 2: Convert to fraction form
    36,697/50,646.18 = 21,793/x
  3. Step 3: Cross multiply
    36,697x = 50,646.18 × 21,793
  4. Step 4: Simplify right side
    36,697x = 1,103,732,200.74
  5. Step 5: Solve for x
    x = 1,103,732,200.74/36,697
  6. Step 6: Final answer
    x = 30,076.91

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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.