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Finding the Fourth Proportional to 7,850.75, 10,833.78 and 4,313.73

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Solution

The fourth proportional to 7,850.75, 10,833.78 and 4,313.73 is: 5,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,850.75 : 10,833.78 = 4,313.73 : x
  2. Step 2: Convert to fraction form
    7,850.75/10,833.78 = 4,313.73/x
  3. Step 3: Cross multiply
    7,850.75x = 10,833.78 × 4,313.73
  4. Step 4: Simplify right side
    7,850.75x = 46,734,001.80
  5. Step 5: Solve for x
    x = 46,734,001.80/7,850.75
  6. Step 6: Final answer
    x = 5,952.81

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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.