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Finding the Fourth Proportional to 1,727.58, 2,592.60 and 753.96

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Solution

The fourth proportional to 1,727.58, 2,592.60 and 753.96 is: 1,131.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.58 : 2,592.60 = 753.96 : x
  2. Step 2: Convert to fraction form
    1,727.58/2,592.60 = 753.96/x
  3. Step 3: Cross multiply
    1,727.58x = 2,592.60 × 753.96
  4. Step 4: Simplify right side
    1,727.58x = 1,954,716.70
  5. Step 5: Solve for x
    x = 1,954,716.70/1,727.58
  6. Step 6: Final answer
    x = 1,131.48

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Why These Related Problems?

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