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Finding the Fourth Proportional to 6,190.48, 8,539.86 and 4,096.36

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Solution

The fourth proportional to 6,190.48, 8,539.86 and 4,096.36 is: 5,650.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.48 : 8,539.86 = 4,096.36 : x
  2. Step 2: Convert to fraction form
    6,190.48/8,539.86 = 4,096.36/x
  3. Step 3: Cross multiply
    6,190.48x = 8,539.86 × 4,096.36
  4. Step 4: Simplify right side
    6,190.48x = 34,982,340.91
  5. Step 5: Solve for x
    x = 34,982,340.91/6,190.48
  6. Step 6: Final answer
    x = 5,650.99

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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.