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Finding the Fourth Proportional to 17,045.08, 25,556.34 and 8,161.72

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Solution

The fourth proportional to 17,045.08, 25,556.34 and 8,161.72 is: 12,237.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,045.08 : 25,556.34 = 8,161.72 : x
  2. Step 2: Convert to fraction form
    17,045.08/25,556.34 = 8,161.72/x
  3. Step 3: Cross multiply
    17,045.08x = 25,556.34 × 8,161.72
  4. Step 4: Simplify right side
    17,045.08x = 208,583,691.30
  5. Step 5: Solve for x
    x = 208,583,691.30/17,045.08
  6. Step 6: Final answer
    x = 12,237.18

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.