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Finding the Fourth Proportional to 6,958, 10,436.19 and 1,763.92

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Solution

The fourth proportional to 6,958, 10,436.19 and 1,763.92 is: 2,645.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,958 : 10,436.19 = 1,763.92 : x
  2. Step 2: Convert to fraction form
    6,958/10,436.19 = 1,763.92/x
  3. Step 3: Cross multiply
    6,958x = 10,436.19 × 1,763.92
  4. Step 4: Simplify right side
    6,958x = 18,408,604.26
  5. Step 5: Solve for x
    x = 18,408,604.26/6,958
  6. Step 6: Final answer
    x = 2,645.67

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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.