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Finding the Fourth Proportional to 5,539.70, 8,309.55 and 3,347.30

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Solution

The fourth proportional to 5,539.70, 8,309.55 and 3,347.30 is: 5,020.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539.70 : 8,309.55 = 3,347.30 : x
  2. Step 2: Convert to fraction form
    5,539.70/8,309.55 = 3,347.30/x
  3. Step 3: Cross multiply
    5,539.70x = 8,309.55 × 3,347.30
  4. Step 4: Simplify right side
    5,539.70x = 27,814,556.72
  5. Step 5: Solve for x
    x = 27,814,556.72/5,539.70
  6. Step 6: Final answer
    x = 5,020.95

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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.