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Finding the Fourth Proportional to 17,676.72, 26,517.96 and 5,986.08

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Solution

The fourth proportional to 17,676.72, 26,517.96 and 5,986.08 is: 8,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,676.72 : 26,517.96 = 5,986.08 : x
  2. Step 2: Convert to fraction form
    17,676.72/26,517.96 = 5,986.08/x
  3. Step 3: Cross multiply
    17,676.72x = 26,517.96 × 5,986.08
  4. Step 4: Simplify right side
    17,676.72x = 158,738,630.00
  5. Step 5: Solve for x
    x = 158,738,630.00/17,676.72
  6. Step 6: Final answer
    x = 8,980.10

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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.