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Finding the Fourth Proportional to 17,093.65, 25,641.15 and 6,568.78

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Solution

The fourth proportional to 17,093.65, 25,641.15 and 6,568.78 is: 9,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,093.65 : 25,641.15 = 6,568.78 : x
  2. Step 2: Convert to fraction form
    17,093.65/25,641.15 = 6,568.78/x
  3. Step 3: Cross multiply
    17,093.65x = 25,641.15 × 6,568.78
  4. Step 4: Simplify right side
    17,093.65x = 168,431,073.30
  5. Step 5: Solve for x
    x = 168,431,073.30/17,093.65
  6. Step 6: Final answer
    x = 9,853.43

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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.