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Finding the Fourth Proportional to 15,286.92, 22,936.92 and 6,404.34

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Solution

The fourth proportional to 15,286.92, 22,936.92 and 6,404.34 is: 9,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,286.92 : 22,936.92 = 6,404.34 : x
  2. Step 2: Convert to fraction form
    15,286.92/22,936.92 = 6,404.34/x
  3. Step 3: Cross multiply
    15,286.92x = 22,936.92 × 6,404.34
  4. Step 4: Simplify right side
    15,286.92x = 146,895,834.23
  5. Step 5: Solve for x
    x = 146,895,834.23/15,286.92
  6. Step 6: Final answer
    x = 9,609.25

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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.