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Finding the Fourth Proportional to 11,168, 16,750.65 and 3,671.18

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Solution

The fourth proportional to 11,168, 16,750.65 and 3,671.18 is: 5,506.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,168 : 16,750.65 = 3,671.18 : x
  2. Step 2: Convert to fraction form
    11,168/16,750.65 = 3,671.18/x
  3. Step 3: Cross multiply
    11,168x = 16,750.65 × 3,671.18
  4. Step 4: Simplify right side
    11,168x = 61,494,651.27
  5. Step 5: Solve for x
    x = 61,494,651.27/11,168
  6. Step 6: Final answer
    x = 5,506.33

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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.