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Finding the Fourth Proportional to 2,516.38, 3,773.97 and 956.56

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Solution

The fourth proportional to 2,516.38, 3,773.97 and 956.56 is: 1,434.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.38 : 3,773.97 = 956.56 : x
  2. Step 2: Convert to fraction form
    2,516.38/3,773.97 = 956.56/x
  3. Step 3: Cross multiply
    2,516.38x = 3,773.97 × 956.56
  4. Step 4: Simplify right side
    2,516.38x = 3,610,028.74
  5. Step 5: Solve for x
    x = 3,610,028.74/2,516.38
  6. Step 6: Final answer
    x = 1,434.61

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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.