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Finding the Fourth Proportional to 27,791.51, 41,676.63 and 13,746.71

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Solution

The fourth proportional to 27,791.51, 41,676.63 and 13,746.71 is: 20,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,791.51 : 41,676.63 = 13,746.71 : x
  2. Step 2: Convert to fraction form
    27,791.51/41,676.63 = 13,746.71/x
  3. Step 3: Cross multiply
    27,791.51x = 41,676.63 × 13,746.71
  4. Step 4: Simplify right side
    27,791.51x = 572,916,599.03
  5. Step 5: Solve for x
    x = 572,916,599.03/27,791.51
  6. Step 6: Final answer
    x = 20,614.81

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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.