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Finding the Fourth Proportional to 67,550.94, 101,326.44 and 17,630.90

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Solution

The fourth proportional to 67,550.94, 101,326.44 and 17,630.90 is: 26,446.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,550.94 : 101,326.44 = 17,630.90 : x
  2. Step 2: Convert to fraction form
    67,550.94/101,326.44 = 17,630.90/x
  3. Step 3: Cross multiply
    67,550.94x = 101,326.44 × 17,630.90
  4. Step 4: Simplify right side
    67,550.94x = 1,786,476,331.00
  5. Step 5: Solve for x
    x = 1,786,476,331.00/67,550.94
  6. Step 6: Final answer
    x = 26,446.36

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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.