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Finding the Fourth Proportional to 11,893.90, 16,413.55 and 6,588.72

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Solution

The fourth proportional to 11,893.90, 16,413.55 and 6,588.72 is: 9,092.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.90 : 16,413.55 = 6,588.72 : x
  2. Step 2: Convert to fraction form
    11,893.90/16,413.55 = 6,588.72/x
  3. Step 3: Cross multiply
    11,893.90x = 16,413.55 × 6,588.72
  4. Step 4: Simplify right side
    11,893.90x = 108,144,231.79
  5. Step 5: Solve for x
    x = 108,144,231.79/11,893.90
  6. Step 6: Final answer
    x = 9,092.41

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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.