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Finding the Fourth Proportional to 2,308.69, 3,185.08 and 1,469.17

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Solution

The fourth proportional to 2,308.69, 3,185.08 and 1,469.17 is: 2,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308.69 : 3,185.08 = 1,469.17 : x
  2. Step 2: Convert to fraction form
    2,308.69/3,185.08 = 1,469.17/x
  3. Step 3: Cross multiply
    2,308.69x = 3,185.08 × 1,469.17
  4. Step 4: Simplify right side
    2,308.69x = 4,679,423.98
  5. Step 5: Solve for x
    x = 4,679,423.98/2,308.69
  6. Step 6: Final answer
    x = 2,026.87

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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.