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Finding the Fourth Proportional to 17,635.80, 26,448.42 and 7,102.44

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Solution

The fourth proportional to 17,635.80, 26,448.42 and 7,102.44 is: 10,651.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,635.80 : 26,448.42 = 7,102.44 : x
  2. Step 2: Convert to fraction form
    17,635.80/26,448.42 = 7,102.44/x
  3. Step 3: Cross multiply
    17,635.80x = 26,448.42 × 7,102.44
  4. Step 4: Simplify right side
    17,635.80x = 187,848,316.14
  5. Step 5: Solve for x
    x = 187,848,316.14/17,635.80
  6. Step 6: Final answer
    x = 10,651.53

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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.