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Finding the Fourth Proportional to 2,089.87, 2,882.79 and 1,293.51

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Solution

The fourth proportional to 2,089.87, 2,882.79 and 1,293.51 is: 1,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,089.87 : 2,882.79 = 1,293.51 : x
  2. Step 2: Convert to fraction form
    2,089.87/2,882.79 = 1,293.51/x
  3. Step 3: Cross multiply
    2,089.87x = 2,882.79 × 1,293.51
  4. Step 4: Simplify right side
    2,089.87x = 3,728,917.69
  5. Step 5: Solve for x
    x = 3,728,917.69/2,089.87
  6. Step 6: Final answer
    x = 1,784.28

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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.