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Finding the Fourth Proportional to 67,796.48, 101,694.80 and 18,548.48

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Solution

The fourth proportional to 67,796.48, 101,694.80 and 18,548.48 is: 27,822.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,796.48 : 101,694.80 = 18,548.48 : x
  2. Step 2: Convert to fraction form
    67,796.48/101,694.80 = 18,548.48/x
  3. Step 3: Cross multiply
    67,796.48x = 101,694.80 × 18,548.48
  4. Step 4: Simplify right side
    67,796.48x = 1,886,283,963.90
  5. Step 5: Solve for x
    x = 1,886,283,963.90/67,796.48
  6. Step 6: Final answer
    x = 27,822.74

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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.