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Finding the Fourth Proportional to 3,172.79, 4,759.73 and 1,093.01

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Solution

The fourth proportional to 3,172.79, 4,759.73 and 1,093.01 is: 1,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.79 : 4,759.73 = 1,093.01 : x
  2. Step 2: Convert to fraction form
    3,172.79/4,759.73 = 1,093.01/x
  3. Step 3: Cross multiply
    3,172.79x = 4,759.73 × 1,093.01
  4. Step 4: Simplify right side
    3,172.79x = 5,202,432.49
  5. Step 5: Solve for x
    x = 5,202,432.49/3,172.79
  6. Step 6: Final answer
    x = 1,639.70

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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.