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Finding the Fourth Proportional to 2,243.29, 3,365.44 and 683.43

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Solution

The fourth proportional to 2,243.29, 3,365.44 and 683.43 is: 1,025.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,243.29 : 3,365.44 = 683.43 : x
  2. Step 2: Convert to fraction form
    2,243.29/3,365.44 = 683.43/x
  3. Step 3: Cross multiply
    2,243.29x = 3,365.44 × 683.43
  4. Step 4: Simplify right side
    2,243.29x = 2,300,042.66
  5. Step 5: Solve for x
    x = 2,300,042.66/2,243.29
  6. Step 6: Final answer
    x = 1,025.30

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1.5x scale

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.