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Finding the Fourth Proportional to 6,123.38, 8,450.32 and 3,328.94

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Solution

The fourth proportional to 6,123.38, 8,450.32 and 3,328.94 is: 4,593.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.38 : 8,450.32 = 3,328.94 : x
  2. Step 2: Convert to fraction form
    6,123.38/8,450.32 = 3,328.94/x
  3. Step 3: Cross multiply
    6,123.38x = 8,450.32 × 3,328.94
  4. Step 4: Simplify right side
    6,123.38x = 28,130,557.69
  5. Step 5: Solve for x
    x = 28,130,557.69/6,123.38
  6. Step 6: Final answer
    x = 4,593.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.