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Finding the Fourth Proportional to 3,361.64, 5,043.94 and 1,719.54

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Solution

The fourth proportional to 3,361.64, 5,043.94 and 1,719.54 is: 2,580.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.64 : 5,043.94 = 1,719.54 : x
  2. Step 2: Convert to fraction form
    3,361.64/5,043.94 = 1,719.54/x
  3. Step 3: Cross multiply
    3,361.64x = 5,043.94 × 1,719.54
  4. Step 4: Simplify right side
    3,361.64x = 8,673,256.59
  5. Step 5: Solve for x
    x = 8,673,256.59/3,361.64
  6. Step 6: Final answer
    x = 2,580.07

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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.