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Finding the Fourth Proportional to 5,374.35, 8,062.33 and 1,676.87

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Solution

The fourth proportional to 5,374.35, 8,062.33 and 1,676.87 is: 2,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374.35 : 8,062.33 = 1,676.87 : x
  2. Step 2: Convert to fraction form
    5,374.35/8,062.33 = 1,676.87/x
  3. Step 3: Cross multiply
    5,374.35x = 8,062.33 × 1,676.87
  4. Step 4: Simplify right side
    5,374.35x = 13,519,434.80
  5. Step 5: Solve for x
    x = 13,519,434.80/5,374.35
  6. Step 6: Final answer
    x = 2,515.55

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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.