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Finding the Fourth Proportional to 2,516.01, 3,771.48 and 871.41

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Solution

The fourth proportional to 2,516.01, 3,771.48 and 871.41 is: 1,306.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.01 : 3,771.48 = 871.41 : x
  2. Step 2: Convert to fraction form
    2,516.01/3,771.48 = 871.41/x
  3. Step 3: Cross multiply
    2,516.01x = 3,771.48 × 871.41
  4. Step 4: Simplify right side
    2,516.01x = 3,286,505.39
  5. Step 5: Solve for x
    x = 3,286,505.39/2,516.01
  6. Step 6: Final answer
    x = 1,306.24

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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.