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Finding the Fourth Proportional to 2,516.76, 3,769.62 and 1,784.12

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Solution

The fourth proportional to 2,516.76, 3,769.62 and 1,784.12 is: 2,672.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,516.76 : 3,769.62 = 1,784.12 : x
  2. Step 2: Convert to fraction form
    2,516.76/3,769.62 = 1,784.12/x
  3. Step 3: Cross multiply
    2,516.76x = 3,769.62 × 1,784.12
  4. Step 4: Simplify right side
    2,516.76x = 6,725,435.59
  5. Step 5: Solve for x
    x = 6,725,435.59/2,516.76
  6. Step 6: Final answer
    x = 2,672.26

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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.