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Finding the Fourth Proportional to 61,027.96, 91,485.60 and 23,576.80

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Solution

The fourth proportional to 61,027.96, 91,485.60 and 23,576.80 is: 35,343.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,027.96 : 91,485.60 = 23,576.80 : x
  2. Step 2: Convert to fraction form
    61,027.96/91,485.60 = 23,576.80/x
  3. Step 3: Cross multiply
    61,027.96x = 91,485.60 × 23,576.80
  4. Step 4: Simplify right side
    61,027.96x = 2,156,937,694.08
  5. Step 5: Solve for x
    x = 2,156,937,694.08/61,027.96
  6. Step 6: Final answer
    x = 35,343.43

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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.