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Finding the Fourth Proportional to 1,773.41, 2,661.50 and 1,229.41

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Solution

The fourth proportional to 1,773.41, 2,661.50 and 1,229.41 is: 1,845.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773.41 : 2,661.50 = 1,229.41 : x
  2. Step 2: Convert to fraction form
    1,773.41/2,661.50 = 1,229.41/x
  3. Step 3: Cross multiply
    1,773.41x = 2,661.50 × 1,229.41
  4. Step 4: Simplify right side
    1,773.41x = 3,272,074.72
  5. Step 5: Solve for x
    x = 3,272,074.72/1,773.41
  6. Step 6: Final answer
    x = 1,845.08

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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.