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Finding the Fourth Proportional to 3,144.21, 4,716.38 and 952.93

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Solution

The fourth proportional to 3,144.21, 4,716.38 and 952.93 is: 1,429.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.21 : 4,716.38 = 952.93 : x
  2. Step 2: Convert to fraction form
    3,144.21/4,716.38 = 952.93/x
  3. Step 3: Cross multiply
    3,144.21x = 4,716.38 × 952.93
  4. Step 4: Simplify right side
    3,144.21x = 4,494,379.99
  5. Step 5: Solve for x
    x = 4,494,379.99/3,144.21
  6. Step 6: Final answer
    x = 1,429.41

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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.