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Finding the Fourth Proportional to 2,965, 4,092.06 and 1,723

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Solution

The fourth proportional to 2,965, 4,092.06 and 1,723 is: 2,377.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965 : 4,092.06 = 1,723 : x
  2. Step 2: Convert to fraction form
    2,965/4,092.06 = 1,723/x
  3. Step 3: Cross multiply
    2,965x = 4,092.06 × 1,723
  4. Step 4: Simplify right side
    2,965x = 7,050,619.38
  5. Step 5: Solve for x
    x = 7,050,619.38/2,965
  6. Step 6: Final answer
    x = 2,377.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.