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Finding the Fourth Proportional to 8,673.67, 13,012.62 and 2,517.67

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Solution

The fourth proportional to 8,673.67, 13,012.62 and 2,517.67 is: 3,777.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,673.67 : 13,012.62 = 2,517.67 : x
  2. Step 2: Convert to fraction form
    8,673.67/13,012.62 = 2,517.67/x
  3. Step 3: Cross multiply
    8,673.67x = 13,012.62 × 2,517.67
  4. Step 4: Simplify right side
    8,673.67x = 32,761,483.00
  5. Step 5: Solve for x
    x = 32,761,483.00/8,673.67
  6. Step 6: Final answer
    x = 3,777.12

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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.