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Finding the Fourth Proportional to 1,826.15, 2,739.15 and 730.82

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Solution

The fourth proportional to 1,826.15, 2,739.15 and 730.82 is: 1,096.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826.15 : 2,739.15 = 730.82 : x
  2. Step 2: Convert to fraction form
    1,826.15/2,739.15 = 730.82/x
  3. Step 3: Cross multiply
    1,826.15x = 2,739.15 × 730.82
  4. Step 4: Simplify right side
    1,826.15x = 2,001,832.45
  5. Step 5: Solve for x
    x = 2,001,832.45/1,826.15
  6. Step 6: Final answer
    x = 1,096.21

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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.