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Finding the Fourth Proportional to 1,723.73, 2,581.46 and 942.56

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Solution

The fourth proportional to 1,723.73, 2,581.46 and 942.56 is: 1,411.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.73 : 2,581.46 = 942.56 : x
  2. Step 2: Convert to fraction form
    1,723.73/2,581.46 = 942.56/x
  3. Step 3: Cross multiply
    1,723.73x = 2,581.46 × 942.56
  4. Step 4: Simplify right side
    1,723.73x = 2,433,163.32
  5. Step 5: Solve for x
    x = 2,433,163.32/1,723.73
  6. Step 6: Final answer
    x = 1,411.57

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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.