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Finding the Fourth Proportional to 4,993.50, 7,486.02 and 3,345

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Solution

The fourth proportional to 4,993.50, 7,486.02 and 3,345 is: 5,014.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.50 : 7,486.02 = 3,345 : x
  2. Step 2: Convert to fraction form
    4,993.50/7,486.02 = 3,345/x
  3. Step 3: Cross multiply
    4,993.50x = 7,486.02 × 3,345
  4. Step 4: Simplify right side
    4,993.50x = 25,040,736.90
  5. Step 5: Solve for x
    x = 25,040,736.90/4,993.50
  6. Step 6: Final answer
    x = 5,014.67

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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.