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Finding the Fourth Proportional to 11,394.64, 17,093.76 and 3,605.28

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Solution

The fourth proportional to 11,394.64, 17,093.76 and 3,605.28 is: 5,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,394.64 : 17,093.76 = 3,605.28 : x
  2. Step 2: Convert to fraction form
    11,394.64/17,093.76 = 3,605.28/x
  3. Step 3: Cross multiply
    11,394.64x = 17,093.76 × 3,605.28
  4. Step 4: Simplify right side
    11,394.64x = 61,627,791.05
  5. Step 5: Solve for x
    x = 61,627,791.05/11,394.64
  6. Step 6: Final answer
    x = 5,408.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.