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Finding the Fourth Proportional to 3,770.70, 5,656.05 and 1,824.54

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Solution

The fourth proportional to 3,770.70, 5,656.05 and 1,824.54 is: 2,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.70 : 5,656.05 = 1,824.54 : x
  2. Step 2: Convert to fraction form
    3,770.70/5,656.05 = 1,824.54/x
  3. Step 3: Cross multiply
    3,770.70x = 5,656.05 × 1,824.54
  4. Step 4: Simplify right side
    3,770.70x = 10,319,689.47
  5. Step 5: Solve for x
    x = 10,319,689.47/3,770.70
  6. Step 6: Final answer
    x = 2,736.81

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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.