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Finding the Fourth Proportional to 13,249.44, 19,859.58 and 8,856

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Solution

The fourth proportional to 13,249.44, 19,859.58 and 8,856 is: 13,274.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,249.44 : 19,859.58 = 8,856 : x
  2. Step 2: Convert to fraction form
    13,249.44/19,859.58 = 8,856/x
  3. Step 3: Cross multiply
    13,249.44x = 19,859.58 × 8,856
  4. Step 4: Simplify right side
    13,249.44x = 175,876,440.48
  5. Step 5: Solve for x
    x = 175,876,440.48/13,249.44
  6. Step 6: Final answer
    x = 13,274.25

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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.