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Finding the Fourth Proportional to 2,650.39, 3,657.60 and 1,471.54

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Solution

The fourth proportional to 2,650.39, 3,657.60 and 1,471.54 is: 2,030.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.39 : 3,657.60 = 1,471.54 : x
  2. Step 2: Convert to fraction form
    2,650.39/3,657.60 = 1,471.54/x
  3. Step 3: Cross multiply
    2,650.39x = 3,657.60 × 1,471.54
  4. Step 4: Simplify right side
    2,650.39x = 5,382,295.56
  5. Step 5: Solve for x
    x = 5,382,295.56/2,650.39
  6. Step 6: Final answer
    x = 2,030.76

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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.