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Finding the Fourth Proportional to 17,900.20, 26,846.94 and 7,512.04

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Solution

The fourth proportional to 17,900.20, 26,846.94 and 7,512.04 is: 11,266.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,900.20 : 26,846.94 = 7,512.04 : x
  2. Step 2: Convert to fraction form
    17,900.20/26,846.94 = 7,512.04/x
  3. Step 3: Cross multiply
    17,900.20x = 26,846.94 × 7,512.04
  4. Step 4: Simplify right side
    17,900.20x = 201,675,287.16
  5. Step 5: Solve for x
    x = 201,675,287.16/17,900.20
  6. Step 6: Final answer
    x = 11,266.65

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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.