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Finding the Fourth Proportional to 2,650.55, 3,657.87 and 1,471.61

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Solution

The fourth proportional to 2,650.55, 3,657.87 and 1,471.61 is: 2,030.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.55 : 3,657.87 = 1,471.61 : x
  2. Step 2: Convert to fraction form
    2,650.55/3,657.87 = 1,471.61/x
  3. Step 3: Cross multiply
    2,650.55x = 3,657.87 × 1,471.61
  4. Step 4: Simplify right side
    2,650.55x = 5,382,939.78
  5. Step 5: Solve for x
    x = 5,382,939.78/2,650.55
  6. Step 6: Final answer
    x = 2,030.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.