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Finding the Fourth Proportional to 7,380.58, 10,193.43 and 5,722.03

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Solution

The fourth proportional to 7,380.58, 10,193.43 and 5,722.03 is: 7,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.58 : 10,193.43 = 5,722.03 : x
  2. Step 2: Convert to fraction form
    7,380.58/10,193.43 = 5,722.03/x
  3. Step 3: Cross multiply
    7,380.58x = 10,193.43 × 5,722.03
  4. Step 4: Simplify right side
    7,380.58x = 58,327,112.26
  5. Step 5: Solve for x
    x = 58,327,112.26/7,380.58
  6. Step 6: Final answer
    x = 7,902.78

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.