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Finding the Fourth Proportional to 3,544.63, 4,891.67 and 1,972.83

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Solution

The fourth proportional to 3,544.63, 4,891.67 and 1,972.83 is: 2,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544.63 : 4,891.67 = 1,972.83 : x
  2. Step 2: Convert to fraction form
    3,544.63/4,891.67 = 1,972.83/x
  3. Step 3: Cross multiply
    3,544.63x = 4,891.67 × 1,972.83
  4. Step 4: Simplify right side
    3,544.63x = 9,650,433.33
  5. Step 5: Solve for x
    x = 9,650,433.33/3,544.63
  6. Step 6: Final answer
    x = 2,722.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.