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Finding the Fourth Proportional to 10,858.78, 16,288.17 and 3,067.80

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Solution

The fourth proportional to 10,858.78, 16,288.17 and 3,067.80 is: 4,601.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.78 : 16,288.17 = 3,067.80 : x
  2. Step 2: Convert to fraction form
    10,858.78/16,288.17 = 3,067.80/x
  3. Step 3: Cross multiply
    10,858.78x = 16,288.17 × 3,067.80
  4. Step 4: Simplify right side
    10,858.78x = 49,968,792.60
  5. Step 5: Solve for x
    x = 49,968,792.60/10,858.78
  6. Step 6: Final answer
    x = 4,601.69

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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.