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Finding the Fourth Proportional to 17,063.80, 25,622.10 and 9,287.80

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Solution

The fourth proportional to 17,063.80, 25,622.10 and 9,287.80 is: 13,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,063.80 : 25,622.10 = 9,287.80 : x
  2. Step 2: Convert to fraction form
    17,063.80/25,622.10 = 9,287.80/x
  3. Step 3: Cross multiply
    17,063.80x = 25,622.10 × 9,287.80
  4. Step 4: Simplify right side
    17,063.80x = 237,972,940.38
  5. Step 5: Solve for x
    x = 237,972,940.38/17,063.80
  6. Step 6: Final answer
    x = 13,946.07

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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.