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Finding the Fourth Proportional to 17,745.88, 26,623.31 and 6,652.60

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Solution

The fourth proportional to 17,745.88, 26,623.31 and 6,652.60 is: 9,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,745.88 : 26,623.31 = 6,652.60 : x
  2. Step 2: Convert to fraction form
    17,745.88/26,623.31 = 6,652.60/x
  3. Step 3: Cross multiply
    17,745.88x = 26,623.31 × 6,652.60
  4. Step 4: Simplify right side
    17,745.88x = 177,114,115.62
  5. Step 5: Solve for x
    x = 177,114,115.62/17,745.88
  6. Step 6: Final answer
    x = 9,980.58

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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.