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Finding the Fourth Proportional to 11,067.01, 16,600.50 and 5,140.65

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Solution

The fourth proportional to 11,067.01, 16,600.50 and 5,140.65 is: 7,710.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,067.01 : 16,600.50 = 5,140.65 : x
  2. Step 2: Convert to fraction form
    11,067.01/16,600.50 = 5,140.65/x
  3. Step 3: Cross multiply
    11,067.01x = 16,600.50 × 5,140.65
  4. Step 4: Simplify right side
    11,067.01x = 85,337,360.33
  5. Step 5: Solve for x
    x = 85,337,360.33/11,067.01
  6. Step 6: Final answer
    x = 7,710.97

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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.