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Finding the Fourth Proportional to 3,425.39, 4,727.11 and 1,933.22

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Solution

The fourth proportional to 3,425.39, 4,727.11 and 1,933.22 is: 2,667.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.39 : 4,727.11 = 1,933.22 : x
  2. Step 2: Convert to fraction form
    3,425.39/4,727.11 = 1,933.22/x
  3. Step 3: Cross multiply
    3,425.39x = 4,727.11 × 1,933.22
  4. Step 4: Simplify right side
    3,425.39x = 9,138,527.61
  5. Step 5: Solve for x
    x = 9,138,527.61/3,425.39
  6. Step 6: Final answer
    x = 2,667.88

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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.