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Finding the Fourth Proportional to 8,936.36, 13,408.98 and 4,009.48

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Solution

The fourth proportional to 8,936.36, 13,408.98 and 4,009.48 is: 6,016.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.36 : 13,408.98 = 4,009.48 : x
  2. Step 2: Convert to fraction form
    8,936.36/13,408.98 = 4,009.48/x
  3. Step 3: Cross multiply
    8,936.36x = 13,408.98 × 4,009.48
  4. Step 4: Simplify right side
    8,936.36x = 53,763,037.13
  5. Step 5: Solve for x
    x = 53,763,037.13/8,936.36
  6. Step 6: Final answer
    x = 6,016.21

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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.