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Finding the Fourth Proportional to 7,692.30, 11,531.43 and 3,741.39

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Solution

The fourth proportional to 7,692.30, 11,531.43 and 3,741.39 is: 5,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,692.30 : 11,531.43 = 3,741.39 : x
  2. Step 2: Convert to fraction form
    7,692.30/11,531.43 = 3,741.39/x
  3. Step 3: Cross multiply
    7,692.30x = 11,531.43 × 3,741.39
  4. Step 4: Simplify right side
    7,692.30x = 43,143,576.89
  5. Step 5: Solve for x
    x = 43,143,576.89/7,692.30
  6. Step 6: Final answer
    x = 5,608.67

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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.