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Finding the Fourth Proportional to 67,551.93, 101,327.94 and 17,631.90

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Solution

The fourth proportional to 67,551.93, 101,327.94 and 17,631.90 is: 26,447.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,551.93 : 101,327.94 = 17,631.90 : x
  2. Step 2: Convert to fraction form
    67,551.93/101,327.94 = 17,631.90/x
  3. Step 3: Cross multiply
    67,551.93x = 101,327.94 × 17,631.90
  4. Step 4: Simplify right side
    67,551.93x = 1,786,604,105.29
  5. Step 5: Solve for x
    x = 1,786,604,105.29/67,551.93
  6. Step 6: Final answer
    x = 26,447.86

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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.