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Finding the Fourth Proportional to 1,748.89, 2,411.78 and 1,329.26

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Solution

The fourth proportional to 1,748.89, 2,411.78 and 1,329.26 is: 1,833.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748.89 : 2,411.78 = 1,329.26 : x
  2. Step 2: Convert to fraction form
    1,748.89/2,411.78 = 1,329.26/x
  3. Step 3: Cross multiply
    1,748.89x = 2,411.78 × 1,329.26
  4. Step 4: Simplify right side
    1,748.89x = 3,205,877.54
  5. Step 5: Solve for x
    x = 3,205,877.54/1,748.89
  6. Step 6: Final answer
    x = 1,833.09

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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.