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Finding the Fourth Proportional to 17,907.36, 26,824.12 and 10,489.33

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Solution

The fourth proportional to 17,907.36, 26,824.12 and 10,489.33 is: 15,712.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,907.36 : 26,824.12 = 10,489.33 : x
  2. Step 2: Convert to fraction form
    17,907.36/26,824.12 = 10,489.33/x
  3. Step 3: Cross multiply
    17,907.36x = 26,824.12 × 10,489.33
  4. Step 4: Simplify right side
    17,907.36x = 281,366,922.73
  5. Step 5: Solve for x
    x = 281,366,922.73/17,907.36
  6. Step 6: Final answer
    x = 15,712.37

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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.