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Finding the Fourth Proportional to 11,241.99, 16,859.34 and 5,317.95

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Solution

The fourth proportional to 11,241.99, 16,859.34 and 5,317.95 is: 7,975.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.99 : 16,859.34 = 5,317.95 : x
  2. Step 2: Convert to fraction form
    11,241.99/16,859.34 = 5,317.95/x
  3. Step 3: Cross multiply
    11,241.99x = 16,859.34 × 5,317.95
  4. Step 4: Simplify right side
    11,241.99x = 89,657,190.38
  5. Step 5: Solve for x
    x = 89,657,190.38/11,241.99
  6. Step 6: Final answer
    x = 7,975.21

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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.