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Finding the Fourth Proportional to 56,944.92, 85,408.60 and 19,496.40

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Solution

The fourth proportional to 56,944.92, 85,408.60 and 19,496.40 is: 29,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,944.92 : 85,408.60 = 19,496.40 : x
  2. Step 2: Convert to fraction form
    56,944.92/85,408.60 = 19,496.40/x
  3. Step 3: Cross multiply
    56,944.92x = 85,408.60 × 19,496.40
  4. Step 4: Simplify right side
    56,944.92x = 1,665,160,229.04
  5. Step 5: Solve for x
    x = 1,665,160,229.04/56,944.92
  6. Step 6: Final answer
    x = 29,241.59

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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.