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Finding the Fourth Proportional to 64,791.72, 97,175.16 and 27,339.48

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Solution

The fourth proportional to 64,791.72, 97,175.16 and 27,339.48 is: 41,003.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,791.72 : 97,175.16 = 27,339.48 : x
  2. Step 2: Convert to fraction form
    64,791.72/97,175.16 = 27,339.48/x
  3. Step 3: Cross multiply
    64,791.72x = 97,175.16 × 27,339.48
  4. Step 4: Simplify right side
    64,791.72x = 2,656,718,343.32
  5. Step 5: Solve for x
    x = 2,656,718,343.32/64,791.72
  6. Step 6: Final answer
    x = 41,003.98

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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.