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Finding the Fourth Proportional to 8,636.26, 11,918.02 and 5,099.52

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Solution

The fourth proportional to 8,636.26, 11,918.02 and 5,099.52 is: 7,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.26 : 11,918.02 = 5,099.52 : x
  2. Step 2: Convert to fraction form
    8,636.26/11,918.02 = 5,099.52/x
  3. Step 3: Cross multiply
    8,636.26x = 11,918.02 × 5,099.52
  4. Step 4: Simplify right side
    8,636.26x = 60,776,181.35
  5. Step 5: Solve for x
    x = 60,776,181.35/8,636.26
  6. Step 6: Final answer
    x = 7,037.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.