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Finding the Fourth Proportional to 57,954.64, 87,009.72 and 34,305.88

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Solution

The fourth proportional to 57,954.64, 87,009.72 and 34,305.88 is: 51,504.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,954.64 : 87,009.72 = 34,305.88 : x
  2. Step 2: Convert to fraction form
    57,954.64/87,009.72 = 34,305.88/x
  3. Step 3: Cross multiply
    57,954.64x = 87,009.72 × 34,305.88
  4. Step 4: Simplify right side
    57,954.64x = 2,984,945,013.15
  5. Step 5: Solve for x
    x = 2,984,945,013.15/57,954.64
  6. Step 6: Final answer
    x = 51,504.85

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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.