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Finding the Fourth Proportional to 3,846.42, 5,770.50 and 1,623.99

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Solution

The fourth proportional to 3,846.42, 5,770.50 and 1,623.99 is: 2,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.42 : 5,770.50 = 1,623.99 : x
  2. Step 2: Convert to fraction form
    3,846.42/5,770.50 = 1,623.99/x
  3. Step 3: Cross multiply
    3,846.42x = 5,770.50 × 1,623.99
  4. Step 4: Simplify right side
    3,846.42x = 9,371,234.30
  5. Step 5: Solve for x
    x = 9,371,234.30/3,846.42
  6. Step 6: Final answer
    x = 2,436.35

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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.