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Finding the Fourth Proportional to 2,860.72, 3,947.94 and 1,741.48

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Solution

The fourth proportional to 2,860.72, 3,947.94 and 1,741.48 is: 2,403.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.72 : 3,947.94 = 1,741.48 : x
  2. Step 2: Convert to fraction form
    2,860.72/3,947.94 = 1,741.48/x
  3. Step 3: Cross multiply
    2,860.72x = 3,947.94 × 1,741.48
  4. Step 4: Simplify right side
    2,860.72x = 6,875,258.55
  5. Step 5: Solve for x
    x = 6,875,258.55/2,860.72
  6. Step 6: Final answer
    x = 2,403.33

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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.