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Finding the Fourth Proportional to 5,666.25, 7,819.91 and 3,182.73

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Solution

The fourth proportional to 5,666.25, 7,819.91 and 3,182.73 is: 4,392.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,666.25 : 7,819.91 = 3,182.73 : x
  2. Step 2: Convert to fraction form
    5,666.25/7,819.91 = 3,182.73/x
  3. Step 3: Cross multiply
    5,666.25x = 7,819.91 × 3,182.73
  4. Step 4: Simplify right side
    5,666.25x = 24,888,662.15
  5. Step 5: Solve for x
    x = 24,888,662.15/5,666.25
  6. Step 6: Final answer
    x = 4,392.44

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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.