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Finding the Fourth Proportional to 5,600.85, 7,728.31 and 3,242.53

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Solution

The fourth proportional to 5,600.85, 7,728.31 and 3,242.53 is: 4,474.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,600.85 : 7,728.31 = 3,242.53 : x
  2. Step 2: Convert to fraction form
    5,600.85/7,728.31 = 3,242.53/x
  3. Step 3: Cross multiply
    5,600.85x = 7,728.31 × 3,242.53
  4. Step 4: Simplify right side
    5,600.85x = 25,059,290.74
  5. Step 5: Solve for x
    x = 25,059,290.74/5,600.85
  6. Step 6: Final answer
    x = 4,474.20

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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.