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Finding the Fourth Proportional to 17,611.05, 26,418.21 and 6,369.21

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Solution

The fourth proportional to 17,611.05, 26,418.21 and 6,369.21 is: 9,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,611.05 : 26,418.21 = 6,369.21 : x
  2. Step 2: Convert to fraction form
    17,611.05/26,418.21 = 6,369.21/x
  3. Step 3: Cross multiply
    17,611.05x = 26,418.21 × 6,369.21
  4. Step 4: Simplify right side
    17,611.05x = 168,263,127.31
  5. Step 5: Solve for x
    x = 168,263,127.31/17,611.05
  6. Step 6: Final answer
    x = 9,554.41

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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.