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Finding the Fourth Proportional to 18,026.26, 27,020.24 and 10,634.20

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Solution

The fourth proportional to 18,026.26, 27,020.24 and 10,634.20 is: 15,940.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,026.26 : 27,020.24 = 10,634.20 : x
  2. Step 2: Convert to fraction form
    18,026.26/27,020.24 = 10,634.20/x
  3. Step 3: Cross multiply
    18,026.26x = 27,020.24 × 10,634.20
  4. Step 4: Simplify right side
    18,026.26x = 287,338,555.36
  5. Step 5: Solve for x
    x = 287,338,555.36/18,026.26
  6. Step 6: Final answer
    x = 15,940.00

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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.