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Finding the Fourth Proportional to 17,314.98, 25,951.96 and 7,947.12

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Solution

The fourth proportional to 17,314.98, 25,951.96 and 7,947.12 is: 11,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,314.98 : 25,951.96 = 7,947.12 : x
  2. Step 2: Convert to fraction form
    17,314.98/25,951.96 = 7,947.12/x
  3. Step 3: Cross multiply
    17,314.98x = 25,951.96 × 7,947.12
  4. Step 4: Simplify right side
    17,314.98x = 206,243,340.36
  5. Step 5: Solve for x
    x = 206,243,340.36/17,314.98
  6. Step 6: Final answer
    x = 11,911.27

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Similar ratio
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1.5x scale

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.