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Finding the Fourth Proportional to 3,767.70, 5,647.68 and 1,301.70

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Solution

The fourth proportional to 3,767.70, 5,647.68 and 1,301.70 is: 1,951.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.70 : 5,647.68 = 1,301.70 : x
  2. Step 2: Convert to fraction form
    3,767.70/5,647.68 = 1,301.70/x
  3. Step 3: Cross multiply
    3,767.70x = 5,647.68 × 1,301.70
  4. Step 4: Simplify right side
    3,767.70x = 7,351,585.06
  5. Step 5: Solve for x
    x = 7,351,585.06/3,767.70
  6. Step 6: Final answer
    x = 1,951.21

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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.