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Finding the Fourth Proportional to 26,636.42, 39,963.94 and 11,843.94

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Solution

The fourth proportional to 26,636.42, 39,963.94 and 11,843.94 is: 17,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.42 : 39,963.94 = 11,843.94 : x
  2. Step 2: Convert to fraction form
    26,636.42/39,963.94 = 11,843.94/x
  3. Step 3: Cross multiply
    26,636.42x = 39,963.94 × 11,843.94
  4. Step 4: Simplify right side
    26,636.42x = 473,330,507.52
  5. Step 5: Solve for x
    x = 473,330,507.52/26,636.42
  6. Step 6: Final answer
    x = 17,770.05

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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.