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Finding the Fourth Proportional to 1,725.56, 2,584.22 and 944.38

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Solution

The fourth proportional to 1,725.56, 2,584.22 and 944.38 is: 1,414.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,725.56 : 2,584.22 = 944.38 : x
  2. Step 2: Convert to fraction form
    1,725.56/2,584.22 = 944.38/x
  3. Step 3: Cross multiply
    1,725.56x = 2,584.22 × 944.38
  4. Step 4: Simplify right side
    1,725.56x = 2,440,485.68
  5. Step 5: Solve for x
    x = 2,440,485.68/1,725.56
  6. Step 6: Final answer
    x = 1,414.32

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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.