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Finding the Fourth Proportional to 11,352.53, 16,995.99 and 7,197.23

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Solution

The fourth proportional to 11,352.53, 16,995.99 and 7,197.23 is: 10,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.53 : 16,995.99 = 7,197.23 : x
  2. Step 2: Convert to fraction form
    11,352.53/16,995.99 = 7,197.23/x
  3. Step 3: Cross multiply
    11,352.53x = 16,995.99 × 7,197.23
  4. Step 4: Simplify right side
    11,352.53x = 122,324,049.11
  5. Step 5: Solve for x
    x = 122,324,049.11/11,352.53
  6. Step 6: Final answer
    x = 10,775.05

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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.