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Finding the Fourth Proportional to 9,422.79, 13,000.78 and 6,067.54

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Solution

The fourth proportional to 9,422.79, 13,000.78 and 6,067.54 is: 8,371.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.79 : 13,000.78 = 6,067.54 : x
  2. Step 2: Convert to fraction form
    9,422.79/13,000.78 = 6,067.54/x
  3. Step 3: Cross multiply
    9,422.79x = 13,000.78 × 6,067.54
  4. Step 4: Simplify right side
    9,422.79x = 78,882,752.68
  5. Step 5: Solve for x
    x = 78,882,752.68/9,422.79
  6. Step 6: Final answer
    x = 8,371.49

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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.