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Finding the Fourth Proportional to 4,859.21, 7,287.03 and 1,738.37

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Solution

The fourth proportional to 4,859.21, 7,287.03 and 1,738.37 is: 2,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.21 : 7,287.03 = 1,738.37 : x
  2. Step 2: Convert to fraction form
    4,859.21/7,287.03 = 1,738.37/x
  3. Step 3: Cross multiply
    4,859.21x = 7,287.03 × 1,738.37
  4. Step 4: Simplify right side
    4,859.21x = 12,667,572.56
  5. Step 5: Solve for x
    x = 12,667,572.56/4,859.21
  6. Step 6: Final answer
    x = 2,606.92

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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.