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Finding the Fourth Proportional to 3,383.87, 5,071.48 and 2,943.29

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Solution

The fourth proportional to 3,383.87, 5,071.48 and 2,943.29 is: 4,411.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,383.87 : 5,071.48 = 2,943.29 : x
  2. Step 2: Convert to fraction form
    3,383.87/5,071.48 = 2,943.29/x
  3. Step 3: Cross multiply
    3,383.87x = 5,071.48 × 2,943.29
  4. Step 4: Simplify right side
    3,383.87x = 14,926,841.69
  5. Step 5: Solve for x
    x = 14,926,841.69/3,383.87
  6. Step 6: Final answer
    x = 4,411.18

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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.