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Finding the Fourth Proportional to 17,042.60, 25,563.90 and 14,738.60

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Solution

The fourth proportional to 17,042.60, 25,563.90 and 14,738.60 is: 22,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,042.60 : 25,563.90 = 14,738.60 : x
  2. Step 2: Convert to fraction form
    17,042.60/25,563.90 = 14,738.60/x
  3. Step 3: Cross multiply
    17,042.60x = 25,563.90 × 14,738.60
  4. Step 4: Simplify right side
    17,042.60x = 376,776,096.54
  5. Step 5: Solve for x
    x = 376,776,096.54/17,042.60
  6. Step 6: Final answer
    x = 22,107.90

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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.