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Finding the Fourth Proportional to 8,269.72, 12,401 and 3,002.98

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Solution

The fourth proportional to 8,269.72, 12,401 and 3,002.98 is: 4,503.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.72 : 12,401 = 3,002.98 : x
  2. Step 2: Convert to fraction form
    8,269.72/12,401 = 3,002.98/x
  3. Step 3: Cross multiply
    8,269.72x = 12,401 × 3,002.98
  4. Step 4: Simplify right side
    8,269.72x = 37,239,954.98
  5. Step 5: Solve for x
    x = 37,239,954.98/8,269.72
  6. Step 6: Final answer
    x = 4,503.17

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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.