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Finding the Fourth Proportional to 17,651.40, 26,477.11 and 11,082.20

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Solution

The fourth proportional to 17,651.40, 26,477.11 and 11,082.20 is: 16,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,651.40 : 26,477.11 = 11,082.20 : x
  2. Step 2: Convert to fraction form
    17,651.40/26,477.11 = 11,082.20/x
  3. Step 3: Cross multiply
    17,651.40x = 26,477.11 × 11,082.20
  4. Step 4: Simplify right side
    17,651.40x = 293,424,628.44
  5. Step 5: Solve for x
    x = 293,424,628.44/17,651.40
  6. Step 6: Final answer
    x = 16,623.31

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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.