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Finding the Fourth Proportional to 8,609.49, 12,914.07 and 2,369.49

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Solution

The fourth proportional to 8,609.49, 12,914.07 and 2,369.49 is: 3,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,609.49 : 12,914.07 = 2,369.49 : x
  2. Step 2: Convert to fraction form
    8,609.49/12,914.07 = 2,369.49/x
  3. Step 3: Cross multiply
    8,609.49x = 12,914.07 × 2,369.49
  4. Step 4: Simplify right side
    8,609.49x = 30,599,759.72
  5. Step 5: Solve for x
    x = 30,599,759.72/8,609.49
  6. Step 6: Final answer
    x = 3,554.19

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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.