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Finding the Fourth Proportional to 11,489.74, 17,225.96 and 5,868.24

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Solution

The fourth proportional to 11,489.74, 17,225.96 and 5,868.24 is: 8,797.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,489.74 : 17,225.96 = 5,868.24 : x
  2. Step 2: Convert to fraction form
    11,489.74/17,225.96 = 5,868.24/x
  3. Step 3: Cross multiply
    11,489.74x = 17,225.96 × 5,868.24
  4. Step 4: Simplify right side
    11,489.74x = 101,086,067.51
  5. Step 5: Solve for x
    x = 101,086,067.51/11,489.74
  6. Step 6: Final answer
    x = 8,797.94

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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.