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Finding the Fourth Proportional to 51,096.40, 76,621.20 and 27,400.30

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Solution

The fourth proportional to 51,096.40, 76,621.20 and 27,400.30 is: 41,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,096.40 : 76,621.20 = 27,400.30 : x
  2. Step 2: Convert to fraction form
    51,096.40/76,621.20 = 27,400.30/x
  3. Step 3: Cross multiply
    51,096.40x = 76,621.20 × 27,400.30
  4. Step 4: Simplify right side
    51,096.40x = 2,099,443,866.36
  5. Step 5: Solve for x
    x = 2,099,443,866.36/51,096.40
  6. Step 6: Final answer
    x = 41,087.90

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1.5x scale

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.