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Finding the Fourth Proportional to 67,605.79, 101,408.85 and 27,624.77

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Solution

The fourth proportional to 67,605.79, 101,408.85 and 27,624.77 is: 41,437.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,605.79 : 101,408.85 = 27,624.77 : x
  2. Step 2: Convert to fraction form
    67,605.79/101,408.85 = 27,624.77/x
  3. Step 3: Cross multiply
    67,605.79x = 101,408.85 × 27,624.77
  4. Step 4: Simplify right side
    67,605.79x = 2,801,396,226.28
  5. Step 5: Solve for x
    x = 2,801,396,226.28/67,605.79
  6. Step 6: Final answer
    x = 41,437.22

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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.