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Finding the Fourth Proportional to 57,904.56, 79,910.64 and 32,754

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Solution

The fourth proportional to 57,904.56, 79,910.64 and 32,754 is: 45,201.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,904.56 : 79,910.64 = 32,754 : x
  2. Step 2: Convert to fraction form
    57,904.56/79,910.64 = 32,754/x
  3. Step 3: Cross multiply
    57,904.56x = 79,910.64 × 32,754
  4. Step 4: Simplify right side
    57,904.56x = 2,617,393,102.56
  5. Step 5: Solve for x
    x = 2,617,393,102.56/57,904.56
  6. Step 6: Final answer
    x = 45,201.85

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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.