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Finding the Fourth Proportional to 17,698.56, 26,532.48 and 10,310.40

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Solution

The fourth proportional to 17,698.56, 26,532.48 and 10,310.40 is: 15,456.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,698.56 : 26,532.48 = 10,310.40 : x
  2. Step 2: Convert to fraction form
    17,698.56/26,532.48 = 10,310.40/x
  3. Step 3: Cross multiply
    17,698.56x = 26,532.48 × 10,310.40
  4. Step 4: Simplify right side
    17,698.56x = 273,560,481.79
  5. Step 5: Solve for x
    x = 273,560,481.79/17,698.56
  6. Step 6: Final answer
    x = 15,456.65

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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.