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Finding the Fourth Proportional to 10,993.66, 16,490.32 and 2,673.64

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Solution

The fourth proportional to 10,993.66, 16,490.32 and 2,673.64 is: 4,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.66 : 16,490.32 = 2,673.64 : x
  2. Step 2: Convert to fraction form
    10,993.66/16,490.32 = 2,673.64/x
  3. Step 3: Cross multiply
    10,993.66x = 16,490.32 × 2,673.64
  4. Step 4: Simplify right side
    10,993.66x = 44,089,179.16
  5. Step 5: Solve for x
    x = 44,089,179.16/10,993.66
  6. Step 6: Final answer
    x = 4,010.42

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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.