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Finding the Fourth Proportional to 8,610.03, 12,916.26 and 2,764.67

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Solution

The fourth proportional to 8,610.03, 12,916.26 and 2,764.67 is: 4,147.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,610.03 : 12,916.26 = 2,764.67 : x
  2. Step 2: Convert to fraction form
    8,610.03/12,916.26 = 2,764.67/x
  3. Step 3: Cross multiply
    8,610.03x = 12,916.26 × 2,764.67
  4. Step 4: Simplify right side
    8,610.03x = 35,709,131.95
  5. Step 5: Solve for x
    x = 35,709,131.95/8,610.03
  6. Step 6: Final answer
    x = 4,147.39

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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.