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Finding the Fourth Proportional to 5,676.63, 7,833.69 and 3,192.63

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Solution

The fourth proportional to 5,676.63, 7,833.69 and 3,192.63 is: 4,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.63 : 7,833.69 = 3,192.63 : x
  2. Step 2: Convert to fraction form
    5,676.63/7,833.69 = 3,192.63/x
  3. Step 3: Cross multiply
    5,676.63x = 7,833.69 × 3,192.63
  4. Step 4: Simplify right side
    5,676.63x = 25,010,073.70
  5. Step 5: Solve for x
    x = 25,010,073.70/5,676.63
  6. Step 6: Final answer
    x = 4,405.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.