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Finding the Fourth Proportional to 3,944.63, 5,915.28 and 1,751.87

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Solution

The fourth proportional to 3,944.63, 5,915.28 and 1,751.87 is: 2,627.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,944.63 : 5,915.28 = 1,751.87 : x
  2. Step 2: Convert to fraction form
    3,944.63/5,915.28 = 1,751.87/x
  3. Step 3: Cross multiply
    3,944.63x = 5,915.28 × 1,751.87
  4. Step 4: Simplify right side
    3,944.63x = 10,362,772.00
  5. Step 5: Solve for x
    x = 10,362,772.00/3,944.63
  6. Step 6: Final answer
    x = 2,627.06

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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.