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Finding the Fourth Proportional to 8,049.67, 12,072.33 and 3,368.72

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Solution

The fourth proportional to 8,049.67, 12,072.33 and 3,368.72 is: 5,052.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,049.67 : 12,072.33 = 3,368.72 : x
  2. Step 2: Convert to fraction form
    8,049.67/12,072.33 = 3,368.72/x
  3. Step 3: Cross multiply
    8,049.67x = 12,072.33 × 3,368.72
  4. Step 4: Simplify right side
    8,049.67x = 40,668,329.70
  5. Step 5: Solve for x
    x = 40,668,329.70/8,049.67
  6. Step 6: Final answer
    x = 5,052.18

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1.5x scale

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.