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Finding the Fourth Proportional to 4,676.63, 7,015.82 and 2,079.63

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Solution

The fourth proportional to 4,676.63, 7,015.82 and 2,079.63 is: 3,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,676.63 : 7,015.82 = 2,079.63 : x
  2. Step 2: Convert to fraction form
    4,676.63/7,015.82 = 2,079.63/x
  3. Step 3: Cross multiply
    4,676.63x = 7,015.82 × 2,079.63
  4. Step 4: Simplify right side
    4,676.63x = 14,590,299.35
  5. Step 5: Solve for x
    x = 14,590,299.35/4,676.63
  6. Step 6: Final answer
    x = 3,119.84

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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.