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Finding the Fourth Proportional to 57,850.30, 79,834.44 and 32,699.80

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Solution

The fourth proportional to 57,850.30, 79,834.44 and 32,699.80 is: 45,126.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,850.30 : 79,834.44 = 32,699.80 : x
  2. Step 2: Convert to fraction form
    57,850.30/79,834.44 = 32,699.80/x
  3. Step 3: Cross multiply
    57,850.30x = 79,834.44 × 32,699.80
  4. Step 4: Simplify right side
    57,850.30x = 2,610,570,221.11
  5. Step 5: Solve for x
    x = 2,610,570,221.11/57,850.30
  6. Step 6: Final answer
    x = 45,126.30

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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.