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Finding the Fourth Proportional to 2,908.69, 4,014.91 and 1,963.83

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Solution

The fourth proportional to 2,908.69, 4,014.91 and 1,963.83 is: 2,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.69 : 4,014.91 = 1,963.83 : x
  2. Step 2: Convert to fraction form
    2,908.69/4,014.91 = 1,963.83/x
  3. Step 3: Cross multiply
    2,908.69x = 4,014.91 × 1,963.83
  4. Step 4: Simplify right side
    2,908.69x = 7,884,575.72
  5. Step 5: Solve for x
    x = 7,884,575.72/2,908.69
  6. Step 6: Final answer
    x = 2,710.70

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