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Finding the Fourth Proportional to 16,731.54, 25,093.11 and 6,873.54

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Solution

The fourth proportional to 16,731.54, 25,093.11 and 6,873.54 is: 10,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,731.54 : 25,093.11 = 6,873.54 : x
  2. Step 2: Convert to fraction form
    16,731.54/25,093.11 = 6,873.54/x
  3. Step 3: Cross multiply
    16,731.54x = 25,093.11 × 6,873.54
  4. Step 4: Simplify right side
    16,731.54x = 172,478,495.31
  5. Step 5: Solve for x
    x = 172,478,495.31/16,731.54
  6. Step 6: Final answer
    x = 10,308.58

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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.