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Finding the Fourth Proportional to 17,745.54, 26,623.44 and 5,265.84

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Solution

The fourth proportional to 17,745.54, 26,623.44 and 5,265.84 is: 7,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.54 : 26,623.44 = 5,265.84 : x
  2. Step 2: Convert to fraction form
    17,745.54/26,623.44 = 5,265.84/x
  3. Step 3: Cross multiply
    17,745.54x = 26,623.44 × 5,265.84
  4. Step 4: Simplify right side
    17,745.54x = 140,194,775.29
  5. Step 5: Solve for x
    x = 140,194,775.29/17,745.54
  6. Step 6: Final answer
    x = 7,900.28

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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.