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Finding the Fourth Proportional to 2,731.63, 4,098.02 and 882.89

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Solution

The fourth proportional to 2,731.63, 4,098.02 and 882.89 is: 1,324.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.63 : 4,098.02 = 882.89 : x
  2. Step 2: Convert to fraction form
    2,731.63/4,098.02 = 882.89/x
  3. Step 3: Cross multiply
    2,731.63x = 4,098.02 × 882.89
  4. Step 4: Simplify right side
    2,731.63x = 3,618,100.88
  5. Step 5: Solve for x
    x = 3,618,100.88/2,731.63
  6. Step 6: Final answer
    x = 1,324.52

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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.