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Finding the Fourth Proportional to 19,099.01, 28,638.04 and 6,617.92

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Solution

The fourth proportional to 19,099.01, 28,638.04 and 6,617.92 is: 9,923.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,099.01 : 28,638.04 = 6,617.92 : x
  2. Step 2: Convert to fraction form
    19,099.01/28,638.04 = 6,617.92/x
  3. Step 3: Cross multiply
    19,099.01x = 28,638.04 × 6,617.92
  4. Step 4: Simplify right side
    19,099.01x = 189,524,257.68
  5. Step 5: Solve for x
    x = 189,524,257.68/19,099.01
  6. Step 6: Final answer
    x = 9,923.25

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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.