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Finding the Fourth Proportional to 16,242.04, 22,413.90 and 9,169.84

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Solution

The fourth proportional to 16,242.04, 22,413.90 and 9,169.84 is: 12,654.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,242.04 : 22,413.90 = 9,169.84 : x
  2. Step 2: Convert to fraction form
    16,242.04/22,413.90 = 9,169.84/x
  3. Step 3: Cross multiply
    16,242.04x = 22,413.90 × 9,169.84
  4. Step 4: Simplify right side
    16,242.04x = 205,531,876.78
  5. Step 5: Solve for x
    x = 205,531,876.78/16,242.04
  6. Step 6: Final answer
    x = 12,654.31

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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.