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Finding the Fourth Proportional to 64,791.84, 97,187.76 and 18,044.76

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Solution

The fourth proportional to 64,791.84, 97,187.76 and 18,044.76 is: 27,067.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,791.84 : 97,187.76 = 18,044.76 : x
  2. Step 2: Convert to fraction form
    64,791.84/97,187.76 = 18,044.76/x
  3. Step 3: Cross multiply
    64,791.84x = 97,187.76 × 18,044.76
  4. Step 4: Simplify right side
    64,791.84x = 1,753,729,804.14
  5. Step 5: Solve for x
    x = 1,753,729,804.14/64,791.84
  6. Step 6: Final answer
    x = 27,067.14

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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.