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Finding the Fourth Proportional to 11,448.92, 17,173.38 and 3,658.34

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Solution

The fourth proportional to 11,448.92, 17,173.38 and 3,658.34 is: 5,487.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,448.92 : 17,173.38 = 3,658.34 : x
  2. Step 2: Convert to fraction form
    11,448.92/17,173.38 = 3,658.34/x
  3. Step 3: Cross multiply
    11,448.92x = 17,173.38 × 3,658.34
  4. Step 4: Simplify right side
    11,448.92x = 62,826,062.99
  5. Step 5: Solve for x
    x = 62,826,062.99/11,448.92
  6. Step 6: Final answer
    x = 5,487.51

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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.