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Finding the Fourth Proportional to 3,579.77, 5,362.31 and 1,725.41

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Solution

The fourth proportional to 3,579.77, 5,362.31 and 1,725.41 is: 2,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.77 : 5,362.31 = 1,725.41 : x
  2. Step 2: Convert to fraction form
    3,579.77/5,362.31 = 1,725.41/x
  3. Step 3: Cross multiply
    3,579.77x = 5,362.31 × 1,725.41
  4. Step 4: Simplify right side
    3,579.77x = 9,252,174.67
  5. Step 5: Solve for x
    x = 9,252,174.67/3,579.77
  6. Step 6: Final answer
    x = 2,584.57

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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.