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Finding the Fourth Proportional to 1,741.95, 2,403.95 and 995.87

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Solution

The fourth proportional to 1,741.95, 2,403.95 and 995.87 is: 1,374.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.95 : 2,403.95 = 995.87 : x
  2. Step 2: Convert to fraction form
    1,741.95/2,403.95 = 995.87/x
  3. Step 3: Cross multiply
    1,741.95x = 2,403.95 × 995.87
  4. Step 4: Simplify right side
    1,741.95x = 2,394,022.72
  5. Step 5: Solve for x
    x = 2,394,022.72/1,741.95
  6. Step 6: Final answer
    x = 1,374.33

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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.