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Finding the Fourth Proportional to 11,419.29, 17,131.33 and 4,845.33

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Solution

The fourth proportional to 11,419.29, 17,131.33 and 4,845.33 is: 7,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.29 : 17,131.33 = 4,845.33 : x
  2. Step 2: Convert to fraction form
    11,419.29/17,131.33 = 4,845.33/x
  3. Step 3: Cross multiply
    11,419.29x = 17,131.33 × 4,845.33
  4. Step 4: Simplify right side
    11,419.29x = 83,006,947.19
  5. Step 5: Solve for x
    x = 83,006,947.19/11,419.29
  6. Step 6: Final answer
    x = 7,269.01

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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.