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Finding the Fourth Proportional to 27,793.87, 38,361.50 and 17,719.99

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Solution

The fourth proportional to 27,793.87, 38,361.50 and 17,719.99 is: 24,457.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,793.87 : 38,361.50 = 17,719.99 : x
  2. Step 2: Convert to fraction form
    27,793.87/38,361.50 = 17,719.99/x
  3. Step 3: Cross multiply
    27,793.87x = 38,361.50 × 17,719.99
  4. Step 4: Simplify right side
    27,793.87x = 679,765,396.39
  5. Step 5: Solve for x
    x = 679,765,396.39/27,793.87
  6. Step 6: Final answer
    x = 24,457.39

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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.