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Finding the Fourth Proportional to 1,673.09, 2,309.97 and 1,043.87

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Solution

The fourth proportional to 1,673.09, 2,309.97 and 1,043.87 is: 1,441.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.09 : 2,309.97 = 1,043.87 : x
  2. Step 2: Convert to fraction form
    1,673.09/2,309.97 = 1,043.87/x
  3. Step 3: Cross multiply
    1,673.09x = 2,309.97 × 1,043.87
  4. Step 4: Simplify right side
    1,673.09x = 2,411,296.83
  5. Step 5: Solve for x
    x = 2,411,296.83/1,673.09
  6. Step 6: Final answer
    x = 1,441.23

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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.