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Finding the Fourth Proportional to 17,863.99, 26,795.53 and 4,716.48

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Solution

The fourth proportional to 17,863.99, 26,795.53 and 4,716.48 is: 7,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.99 : 26,795.53 = 4,716.48 : x
  2. Step 2: Convert to fraction form
    17,863.99/26,795.53 = 4,716.48/x
  3. Step 3: Cross multiply
    17,863.99x = 26,795.53 × 4,716.48
  4. Step 4: Simplify right side
    17,863.99x = 126,380,550.25
  5. Step 5: Solve for x
    x = 126,380,550.25/17,863.99
  6. Step 6: Final answer
    x = 7,074.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.