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Finding the Fourth Proportional to 19,609.71, 27,063.70 and 11,651.94

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Solution

The fourth proportional to 19,609.71, 27,063.70 and 11,651.94 is: 16,081.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,609.71 : 27,063.70 = 11,651.94 : x
  2. Step 2: Convert to fraction form
    19,609.71/27,063.70 = 11,651.94/x
  3. Step 3: Cross multiply
    19,609.71x = 27,063.70 × 11,651.94
  4. Step 4: Simplify right side
    19,609.71x = 315,344,608.58
  5. Step 5: Solve for x
    x = 315,344,608.58/19,609.71
  6. Step 6: Final answer
    x = 16,081.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.