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Finding the Fourth Proportional to 3,806.49, 5,709.42 and 1,497.99

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Solution

The fourth proportional to 3,806.49, 5,709.42 and 1,497.99 is: 2,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.49 : 5,709.42 = 1,497.99 : x
  2. Step 2: Convert to fraction form
    3,806.49/5,709.42 = 1,497.99/x
  3. Step 3: Cross multiply
    3,806.49x = 5,709.42 × 1,497.99
  4. Step 4: Simplify right side
    3,806.49x = 8,552,654.07
  5. Step 5: Solve for x
    x = 8,552,654.07/3,806.49
  6. Step 6: Final answer
    x = 2,246.86

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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.