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Finding the Fourth Proportional to 8,636.03, 12,945.33 and 3,367.75

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Solution

The fourth proportional to 8,636.03, 12,945.33 and 3,367.75 is: 5,048.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,636.03 : 12,945.33 = 3,367.75 : x
  2. Step 2: Convert to fraction form
    8,636.03/12,945.33 = 3,367.75/x
  3. Step 3: Cross multiply
    8,636.03x = 12,945.33 × 3,367.75
  4. Step 4: Simplify right side
    8,636.03x = 43,596,635.11
  5. Step 5: Solve for x
    x = 43,596,635.11/8,636.03
  6. Step 6: Final answer
    x = 5,048.23

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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.