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Finding the Fourth Proportional to 17,167.62, 25,768.05 and 8,289.18

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Solution

The fourth proportional to 17,167.62, 25,768.05 and 8,289.18 is: 12,441.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,167.62 : 25,768.05 = 8,289.18 : x
  2. Step 2: Convert to fraction form
    17,167.62/25,768.05 = 8,289.18/x
  3. Step 3: Cross multiply
    17,167.62x = 25,768.05 × 8,289.18
  4. Step 4: Simplify right side
    17,167.62x = 213,595,973.61
  5. Step 5: Solve for x
    x = 213,595,973.61/17,167.62
  6. Step 6: Final answer
    x = 12,441.79

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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.