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Finding the Fourth Proportional to 14,599.36, 20,146 and 8,310.48

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Solution

The fourth proportional to 14,599.36, 20,146 and 8,310.48 is: 11,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,599.36 : 20,146 = 8,310.48 : x
  2. Step 2: Convert to fraction form
    14,599.36/20,146 = 8,310.48/x
  3. Step 3: Cross multiply
    14,599.36x = 20,146 × 8,310.48
  4. Step 4: Simplify right side
    14,599.36x = 167,422,930.08
  5. Step 5: Solve for x
    x = 167,422,930.08/14,599.36
  6. Step 6: Final answer
    x = 11,467.83

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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.