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Finding the Fourth Proportional to 7,662.43, 11,493.71 and 4,197.79

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Solution

The fourth proportional to 7,662.43, 11,493.71 and 4,197.79 is: 6,296.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,662.43 : 11,493.71 = 4,197.79 : x
  2. Step 2: Convert to fraction form
    7,662.43/11,493.71 = 4,197.79/x
  3. Step 3: Cross multiply
    7,662.43x = 11,493.71 × 4,197.79
  4. Step 4: Simplify right side
    7,662.43x = 48,248,180.90
  5. Step 5: Solve for x
    x = 48,248,180.90/7,662.43
  6. Step 6: Final answer
    x = 6,296.72

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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.