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Finding the Fourth Proportional to 5,481.59, 7,564.59 and 3,243.42

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Solution

The fourth proportional to 5,481.59, 7,564.59 and 3,243.42 is: 4,475.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.59 : 7,564.59 = 3,243.42 : x
  2. Step 2: Convert to fraction form
    5,481.59/7,564.59 = 3,243.42/x
  3. Step 3: Cross multiply
    5,481.59x = 7,564.59 × 3,243.42
  4. Step 4: Simplify right side
    5,481.59x = 24,535,142.50
  5. Step 5: Solve for x
    x = 24,535,142.50/5,481.59
  6. Step 6: Final answer
    x = 4,475.92

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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.