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Finding the Fourth Proportional to 27,791.35, 38,352.02 and 15,044.47

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Solution

The fourth proportional to 27,791.35, 38,352.02 and 15,044.47 is: 20,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.35 : 38,352.02 = 15,044.47 : x
  2. Step 2: Convert to fraction form
    27,791.35/38,352.02 = 15,044.47/x
  3. Step 3: Cross multiply
    27,791.35x = 38,352.02 × 15,044.47
  4. Step 4: Simplify right side
    27,791.35x = 576,985,814.33
  5. Step 5: Solve for x
    x = 576,985,814.33/27,791.35
  6. Step 6: Final answer
    x = 20,761.35

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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.