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Finding the Fourth Proportional to 2,958.68, 4,083.18 and 1,716.68

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Solution

The fourth proportional to 2,958.68, 4,083.18 and 1,716.68 is: 2,369.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.68 : 4,083.18 = 1,716.68 : x
  2. Step 2: Convert to fraction form
    2,958.68/4,083.18 = 1,716.68/x
  3. Step 3: Cross multiply
    2,958.68x = 4,083.18 × 1,716.68
  4. Step 4: Simplify right side
    2,958.68x = 7,009,513.44
  5. Step 5: Solve for x
    x = 7,009,513.44/2,958.68
  6. Step 6: Final answer
    x = 2,369.14

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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.