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Finding the Fourth Proportional to 17,289.54, 25,918.83 and 6,757.11

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Solution

The fourth proportional to 17,289.54, 25,918.83 and 6,757.11 is: 10,129.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,289.54 : 25,918.83 = 6,757.11 : x
  2. Step 2: Convert to fraction form
    17,289.54/25,918.83 = 6,757.11/x
  3. Step 3: Cross multiply
    17,289.54x = 25,918.83 × 6,757.11
  4. Step 4: Simplify right side
    17,289.54x = 175,136,385.38
  5. Step 5: Solve for x
    x = 175,136,385.38/17,289.54
  6. Step 6: Final answer
    x = 10,129.62

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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.