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Finding the Fourth Proportional to 8,176.94, 12,265.41 and 2,020.94

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Solution

The fourth proportional to 8,176.94, 12,265.41 and 2,020.94 is: 3,031.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.94 : 12,265.41 = 2,020.94 : x
  2. Step 2: Convert to fraction form
    8,176.94/12,265.41 = 2,020.94/x
  3. Step 3: Cross multiply
    8,176.94x = 12,265.41 × 2,020.94
  4. Step 4: Simplify right side
    8,176.94x = 24,787,657.69
  5. Step 5: Solve for x
    x = 24,787,657.69/8,176.94
  6. Step 6: Final answer
    x = 3,031.41

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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.