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Finding the Fourth Proportional to 1,262.55, 1,741.59 and 758.27

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Solution

The fourth proportional to 1,262.55, 1,741.59 and 758.27 is: 1,045.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262.55 : 1,741.59 = 758.27 : x
  2. Step 2: Convert to fraction form
    1,262.55/1,741.59 = 758.27/x
  3. Step 3: Cross multiply
    1,262.55x = 1,741.59 × 758.27
  4. Step 4: Simplify right side
    1,262.55x = 1,320,589.58
  5. Step 5: Solve for x
    x = 1,320,589.58/1,262.55
  6. Step 6: Final answer
    x = 1,045.97

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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.