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Finding the Fourth Proportional to 17,809.62, 26,706.63 and 8,452.34

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Solution

The fourth proportional to 17,809.62, 26,706.63 and 8,452.34 is: 12,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,809.62 : 26,706.63 = 8,452.34 : x
  2. Step 2: Convert to fraction form
    17,809.62/26,706.63 = 8,452.34/x
  3. Step 3: Cross multiply
    17,809.62x = 26,706.63 × 8,452.34
  4. Step 4: Simplify right side
    17,809.62x = 225,733,383.48
  5. Step 5: Solve for x
    x = 225,733,383.48/17,809.62
  6. Step 6: Final answer
    x = 12,674.80

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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.