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Finding the Fourth Proportional to 2,482.39, 3,723.57 and 943.39

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Solution

The fourth proportional to 2,482.39, 3,723.57 and 943.39 is: 1,415.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,482.39 : 3,723.57 = 943.39 : x
  2. Step 2: Convert to fraction form
    2,482.39/3,723.57 = 943.39/x
  3. Step 3: Cross multiply
    2,482.39x = 3,723.57 × 943.39
  4. Step 4: Simplify right side
    2,482.39x = 3,512,778.70
  5. Step 5: Solve for x
    x = 3,512,778.70/2,482.39
  6. Step 6: Final answer
    x = 1,415.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.