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Finding the Fourth Proportional to 5,375.16, 8,062.66 and 1,676.85

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Solution

The fourth proportional to 5,375.16, 8,062.66 and 1,676.85 is: 2,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.16 : 8,062.66 = 1,676.85 : x
  2. Step 2: Convert to fraction form
    5,375.16/8,062.66 = 1,676.85/x
  3. Step 3: Cross multiply
    5,375.16x = 8,062.66 × 1,676.85
  4. Step 4: Simplify right side
    5,375.16x = 13,519,893.35
  5. Step 5: Solve for x
    x = 13,519,893.35/5,375.16
  6. Step 6: Final answer
    x = 2,515.25

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1.5x scale

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.