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Finding the Fourth Proportional to 7,208.78, 10,813.26 and 2,014.34

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Solution

The fourth proportional to 7,208.78, 10,813.26 and 2,014.34 is: 3,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,208.78 : 10,813.26 = 2,014.34 : x
  2. Step 2: Convert to fraction form
    7,208.78/10,813.26 = 2,014.34/x
  3. Step 3: Cross multiply
    7,208.78x = 10,813.26 × 2,014.34
  4. Step 4: Simplify right side
    7,208.78x = 21,781,582.15
  5. Step 5: Solve for x
    x = 21,781,582.15/7,208.78
  6. Step 6: Final answer
    x = 3,021.54

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