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Finding the Fourth Proportional to 11,396.58, 17,082.10 and 7,455.42

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Solution

The fourth proportional to 11,396.58, 17,082.10 and 7,455.42 is: 11,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,396.58 : 17,082.10 = 7,455.42 : x
  2. Step 2: Convert to fraction form
    11,396.58/17,082.10 = 7,455.42/x
  3. Step 3: Cross multiply
    11,396.58x = 17,082.10 × 7,455.42
  4. Step 4: Simplify right side
    11,396.58x = 127,354,229.98
  5. Step 5: Solve for x
    x = 127,354,229.98/11,396.58
  6. Step 6: Final answer
    x = 11,174.78

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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.