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Finding the Fourth Proportional to 57,958.70, 79,982.99 and 35,297.69

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Solution

The fourth proportional to 57,958.70, 79,982.99 and 35,297.69 is: 48,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,958.70 : 79,982.99 = 35,297.69 : x
  2. Step 2: Convert to fraction form
    57,958.70/79,982.99 = 35,297.69/x
  3. Step 3: Cross multiply
    57,958.70x = 79,982.99 × 35,297.69
  4. Step 4: Simplify right side
    57,958.70x = 2,823,214,209.89
  5. Step 5: Solve for x
    x = 2,823,214,209.89/57,958.70
  6. Step 6: Final answer
    x = 48,710.80

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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.