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Finding the Fourth Proportional to 39,096.80, 58,731.60 and 27,432.80

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Solution

The fourth proportional to 39,096.80, 58,731.60 and 27,432.80 is: 41,209.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,096.80 : 58,731.60 = 27,432.80 : x
  2. Step 2: Convert to fraction form
    39,096.80/58,731.60 = 27,432.80/x
  3. Step 3: Cross multiply
    39,096.80x = 58,731.60 × 27,432.80
  4. Step 4: Simplify right side
    39,096.80x = 1,611,172,236.48
  5. Step 5: Solve for x
    x = 1,611,172,236.48/39,096.80
  6. Step 6: Final answer
    x = 41,209.82

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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.