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Finding the Fourth Proportional to 3,558.57, 4,910.79 and 1,965.24

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Solution

The fourth proportional to 3,558.57, 4,910.79 and 1,965.24 is: 2,712.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,558.57 : 4,910.79 = 1,965.24 : x
  2. Step 2: Convert to fraction form
    3,558.57/4,910.79 = 1,965.24/x
  3. Step 3: Cross multiply
    3,558.57x = 4,910.79 × 1,965.24
  4. Step 4: Simplify right side
    3,558.57x = 9,650,880.94
  5. Step 5: Solve for x
    x = 9,650,880.94/3,558.57
  6. Step 6: Final answer
    x = 2,712.01

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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.