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Finding the Fourth Proportional to 2,516.97, 3,776.07 and 873.48

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Solution

The fourth proportional to 2,516.97, 3,776.07 and 873.48 is: 1,310.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.97 : 3,776.07 = 873.48 : x
  2. Step 2: Convert to fraction form
    2,516.97/3,776.07 = 873.48/x
  3. Step 3: Cross multiply
    2,516.97x = 3,776.07 × 873.48
  4. Step 4: Simplify right side
    2,516.97x = 3,298,334.15
  5. Step 5: Solve for x
    x = 3,298,334.15/2,516.97
  6. Step 6: Final answer
    x = 1,310.44

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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.