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Finding the Fourth Proportional to 3,425.56, 4,727.02 and 1,933.62

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Solution

The fourth proportional to 3,425.56, 4,727.02 and 1,933.62 is: 2,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,425.56 : 4,727.02 = 1,933.62 : x
  2. Step 2: Convert to fraction form
    3,425.56/4,727.02 = 1,933.62/x
  3. Step 3: Cross multiply
    3,425.56x = 4,727.02 × 1,933.62
  4. Step 4: Simplify right side
    3,425.56x = 9,140,260.41
  5. Step 5: Solve for x
    x = 9,140,260.41/3,425.56
  6. Step 6: Final answer
    x = 2,668.25

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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.