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Finding the Fourth Proportional to 17,339.97, 25,990.11 and 8,459.94

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Solution

The fourth proportional to 17,339.97, 25,990.11 and 8,459.94 is: 12,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,339.97 : 25,990.11 = 8,459.94 : x
  2. Step 2: Convert to fraction form
    17,339.97/25,990.11 = 8,459.94/x
  3. Step 3: Cross multiply
    17,339.97x = 25,990.11 × 8,459.94
  4. Step 4: Simplify right side
    17,339.97x = 219,874,771.19
  5. Step 5: Solve for x
    x = 219,874,771.19/17,339.97
  6. Step 6: Final answer
    x = 12,680.23

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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.