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Finding the Fourth Proportional to 3,425.72, 4,727.27 and 1,933.70

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Solution

The fourth proportional to 3,425.72, 4,727.27 and 1,933.70 is: 2,668.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.72 : 4,727.27 = 1,933.70 : x
  2. Step 2: Convert to fraction form
    3,425.72/4,727.27 = 1,933.70/x
  3. Step 3: Cross multiply
    3,425.72x = 4,727.27 × 1,933.70
  4. Step 4: Simplify right side
    3,425.72x = 9,141,112.33
  5. Step 5: Solve for x
    x = 9,141,112.33/3,425.72
  6. Step 6: Final answer
    x = 2,668.38

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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.