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Finding the Fourth Proportional to 58,396.36, 80,581.68 and 32,906.87

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Solution

The fourth proportional to 58,396.36, 80,581.68 and 32,906.87 is: 45,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,396.36 : 80,581.68 = 32,906.87 : x
  2. Step 2: Convert to fraction form
    58,396.36/80,581.68 = 32,906.87/x
  3. Step 3: Cross multiply
    58,396.36x = 80,581.68 × 32,906.87
  4. Step 4: Simplify right side
    58,396.36x = 2,651,690,868.14
  5. Step 5: Solve for x
    x = 2,651,690,868.14/58,396.36
  6. Step 6: Final answer
    x = 45,408.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.