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Finding the Fourth Proportional to 1,341.55, 1,850.43 and 1,092.88

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Solution

The fourth proportional to 1,341.55, 1,850.43 and 1,092.88 is: 1,507.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341.55 : 1,850.43 = 1,092.88 : x
  2. Step 2: Convert to fraction form
    1,341.55/1,850.43 = 1,092.88/x
  3. Step 3: Cross multiply
    1,341.55x = 1,850.43 × 1,092.88
  4. Step 4: Simplify right side
    1,341.55x = 2,022,297.94
  5. Step 5: Solve for x
    x = 2,022,297.94/1,341.55
  6. Step 6: Final answer
    x = 1,507.43

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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.