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Finding the Fourth Proportional to 2,314.06, 3,471.26 and 670.61

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Solution

The fourth proportional to 2,314.06, 3,471.26 and 670.61 is: 1,005.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,314.06 : 3,471.26 = 670.61 : x
  2. Step 2: Convert to fraction form
    2,314.06/3,471.26 = 670.61/x
  3. Step 3: Cross multiply
    2,314.06x = 3,471.26 × 670.61
  4. Step 4: Simplify right side
    2,314.06x = 2,327,866.99
  5. Step 5: Solve for x
    x = 2,327,866.99/2,314.06
  6. Step 6: Final answer
    x = 1,005.97

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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.