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Finding the Fourth Proportional to 5,310.46, 7,950.11 and 3,723.67

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Solution

The fourth proportional to 5,310.46, 7,950.11 and 3,723.67 is: 5,574.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.46 : 7,950.11 = 3,723.67 : x
  2. Step 2: Convert to fraction form
    5,310.46/7,950.11 = 3,723.67/x
  3. Step 3: Cross multiply
    5,310.46x = 7,950.11 × 3,723.67
  4. Step 4: Simplify right side
    5,310.46x = 29,603,577.42
  5. Step 5: Solve for x
    x = 29,603,577.42/5,310.46
  6. Step 6: Final answer
    x = 5,574.58

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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.