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Finding the Fourth Proportional to 2,273.86, 3,410.79 and 713.98

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Solution

The fourth proportional to 2,273.86, 3,410.79 and 713.98 is: 1,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.86 : 3,410.79 = 713.98 : x
  2. Step 2: Convert to fraction form
    2,273.86/3,410.79 = 713.98/x
  3. Step 3: Cross multiply
    2,273.86x = 3,410.79 × 713.98
  4. Step 4: Simplify right side
    2,273.86x = 2,435,243.16
  5. Step 5: Solve for x
    x = 2,435,243.16/2,273.86
  6. Step 6: Final answer
    x = 1,070.97

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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.