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Finding the Fourth Proportional to 3,367.65, 4,667.06 and 3,320.67

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Solution

The fourth proportional to 3,367.65, 4,667.06 and 3,320.67 is: 4,601.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.65 : 4,667.06 = 3,320.67 : x
  2. Step 2: Convert to fraction form
    3,367.65/4,667.06 = 3,320.67/x
  3. Step 3: Cross multiply
    3,367.65x = 4,667.06 × 3,320.67
  4. Step 4: Simplify right side
    3,367.65x = 15,497,749.53
  5. Step 5: Solve for x
    x = 15,497,749.53/3,367.65
  6. Step 6: Final answer
    x = 4,601.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.