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Finding the Fourth Proportional to 18,096.71, 27,145.46 and 12,737.99

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Solution

The fourth proportional to 18,096.71, 27,145.46 and 12,737.99 is: 19,107.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,096.71 : 27,145.46 = 12,737.99 : x
  2. Step 2: Convert to fraction form
    18,096.71/27,145.46 = 12,737.99/x
  3. Step 3: Cross multiply
    18,096.71x = 27,145.46 × 12,737.99
  4. Step 4: Simplify right side
    18,096.71x = 345,778,697.73
  5. Step 5: Solve for x
    x = 345,778,697.73/18,096.71
  6. Step 6: Final answer
    x = 19,107.27

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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.