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Finding the Fourth Proportional to 17,153.91, 25,725.60 and 6,623.10

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Solution

The fourth proportional to 17,153.91, 25,725.60 and 6,623.10 is: 9,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,153.91 : 25,725.60 = 6,623.10 : x
  2. Step 2: Convert to fraction form
    17,153.91/25,725.60 = 6,623.10/x
  3. Step 3: Cross multiply
    17,153.91x = 25,725.60 × 6,623.10
  4. Step 4: Simplify right side
    17,153.91x = 170,383,221.36
  5. Step 5: Solve for x
    x = 170,383,221.36/17,153.91
  6. Step 6: Final answer
    x = 9,932.62

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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.