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Finding the Fourth Proportional to 1,996.48, 2,756.48 and 1,250.72

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Solution

The fourth proportional to 1,996.48, 2,756.48 and 1,250.72 is: 1,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.48 : 2,756.48 = 1,250.72 : x
  2. Step 2: Convert to fraction form
    1,996.48/2,756.48 = 1,250.72/x
  3. Step 3: Cross multiply
    1,996.48x = 2,756.48 × 1,250.72
  4. Step 4: Simplify right side
    1,996.48x = 3,447,584.67
  5. Step 5: Solve for x
    x = 3,447,584.67/1,996.48
  6. Step 6: Final answer
    x = 1,726.83

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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.