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Finding the Fourth Proportional to 17,069.70, 25,609.56 and 8,755.50

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Solution

The fourth proportional to 17,069.70, 25,609.56 and 8,755.50 is: 13,135.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,069.70 : 25,609.56 = 8,755.50 : x
  2. Step 2: Convert to fraction form
    17,069.70/25,609.56 = 8,755.50/x
  3. Step 3: Cross multiply
    17,069.70x = 25,609.56 × 8,755.50
  4. Step 4: Simplify right side
    17,069.70x = 224,224,502.58
  5. Step 5: Solve for x
    x = 224,224,502.58/17,069.70
  6. Step 6: Final answer
    x = 13,135.82

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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.