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Finding the Fourth Proportional to 5,500.37, 7,590.53 and 2,982.47

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Solution

The fourth proportional to 5,500.37, 7,590.53 and 2,982.47 is: 4,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.37 : 7,590.53 = 2,982.47 : x
  2. Step 2: Convert to fraction form
    5,500.37/7,590.53 = 2,982.47/x
  3. Step 3: Cross multiply
    5,500.37x = 7,590.53 × 2,982.47
  4. Step 4: Simplify right side
    5,500.37x = 22,638,475.14
  5. Step 5: Solve for x
    x = 22,638,475.14/5,500.37
  6. Step 6: Final answer
    x = 4,115.81

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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.