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Finding the Fourth Proportional to 3,423.55, 4,723.39 and 2,703.44

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Solution

The fourth proportional to 3,423.55, 4,723.39 and 2,703.44 is: 3,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,423.55 : 4,723.39 = 2,703.44 : x
  2. Step 2: Convert to fraction form
    3,423.55/4,723.39 = 2,703.44/x
  3. Step 3: Cross multiply
    3,423.55x = 4,723.39 × 2,703.44
  4. Step 4: Simplify right side
    3,423.55x = 12,769,425.51
  5. Step 5: Solve for x
    x = 12,769,425.51/3,423.55
  6. Step 6: Final answer
    x = 3,729.88

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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.