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Finding the Fourth Proportional to 1,741.84, 2,403.94 and 995.90

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Solution

The fourth proportional to 1,741.84, 2,403.94 and 995.90 is: 1,374.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.84 : 2,403.94 = 995.90 : x
  2. Step 2: Convert to fraction form
    1,741.84/2,403.94 = 995.90/x
  3. Step 3: Cross multiply
    1,741.84x = 2,403.94 × 995.90
  4. Step 4: Simplify right side
    1,741.84x = 2,394,083.85
  5. Step 5: Solve for x
    x = 2,394,083.85/1,741.84
  6. Step 6: Final answer
    x = 1,374.46

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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.