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Finding the Fourth Proportional to 8,598.31, 12,899.48 and 2,674.89

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Solution

The fourth proportional to 8,598.31, 12,899.48 and 2,674.89 is: 4,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.31 : 12,899.48 = 2,674.89 : x
  2. Step 2: Convert to fraction form
    8,598.31/12,899.48 = 2,674.89/x
  3. Step 3: Cross multiply
    8,598.31x = 12,899.48 × 2,674.89
  4. Step 4: Simplify right side
    8,598.31x = 34,504,676.68
  5. Step 5: Solve for x
    x = 34,504,676.68/8,598.31
  6. Step 6: Final answer
    x = 4,012.96

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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.