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Finding the Fourth Proportional to 3,143.73, 4,716.10 and 952.28

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Solution

The fourth proportional to 3,143.73, 4,716.10 and 952.28 is: 1,428.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.73 : 4,716.10 = 952.28 : x
  2. Step 2: Convert to fraction form
    3,143.73/4,716.10 = 952.28/x
  3. Step 3: Cross multiply
    3,143.73x = 4,716.10 × 952.28
  4. Step 4: Simplify right side
    3,143.73x = 4,491,047.71
  5. Step 5: Solve for x
    x = 4,491,047.71/3,143.73
  6. Step 6: Final answer
    x = 1,428.57

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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.