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Finding the Fourth Proportional to 5,676.67, 8,512.07 and 2,554.02

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Solution

The fourth proportional to 5,676.67, 8,512.07 and 2,554.02 is: 3,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.67 : 8,512.07 = 2,554.02 : x
  2. Step 2: Convert to fraction form
    5,676.67/8,512.07 = 2,554.02/x
  3. Step 3: Cross multiply
    5,676.67x = 8,512.07 × 2,554.02
  4. Step 4: Simplify right side
    5,676.67x = 21,739,941.69
  5. Step 5: Solve for x
    x = 21,739,941.69/5,676.67
  6. Step 6: Final answer
    x = 3,829.70

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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.