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Finding the Fourth Proportional to 1,773.66, 2,451.96 and 1,611.66

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Solution

The fourth proportional to 1,773.66, 2,451.96 and 1,611.66 is: 2,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.66 : 2,451.96 = 1,611.66 : x
  2. Step 2: Convert to fraction form
    1,773.66/2,451.96 = 1,611.66/x
  3. Step 3: Cross multiply
    1,773.66x = 2,451.96 × 1,611.66
  4. Step 4: Simplify right side
    1,773.66x = 3,951,725.85
  5. Step 5: Solve for x
    x = 3,951,725.85/1,773.66
  6. Step 6: Final answer
    x = 2,228.01

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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.