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Finding the Fourth Proportional to 10,993.52, 16,493.64 and 3,496.64

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Solution

The fourth proportional to 10,993.52, 16,493.64 and 3,496.64 is: 5,246.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,993.52 : 16,493.64 = 3,496.64 : x
  2. Step 2: Convert to fraction form
    10,993.52/16,493.64 = 3,496.64/x
  3. Step 3: Cross multiply
    10,993.52x = 16,493.64 × 3,496.64
  4. Step 4: Simplify right side
    10,993.52x = 57,672,321.37
  5. Step 5: Solve for x
    x = 57,672,321.37/10,993.52
  6. Step 6: Final answer
    x = 5,246.03

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1.5x scale

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.