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Finding the Fourth Proportional to 2,734.83, 4,101.38 and 885.51

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Solution

The fourth proportional to 2,734.83, 4,101.38 and 885.51 is: 1,327.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,734.83 : 4,101.38 = 885.51 : x
  2. Step 2: Convert to fraction form
    2,734.83/4,101.38 = 885.51/x
  3. Step 3: Cross multiply
    2,734.83x = 4,101.38 × 885.51
  4. Step 4: Simplify right side
    2,734.83x = 3,631,827.28
  5. Step 5: Solve for x
    x = 3,631,827.28/2,734.83
  6. Step 6: Final answer
    x = 1,327.99

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.