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Finding the Fourth Proportional to 18,097.20, 27,145.80 and 10,697.85

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Solution

The fourth proportional to 18,097.20, 27,145.80 and 10,697.85 is: 16,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,097.20 : 27,145.80 = 10,697.85 : x
  2. Step 2: Convert to fraction form
    18,097.20/27,145.80 = 10,697.85/x
  3. Step 3: Cross multiply
    18,097.20x = 27,145.80 × 10,697.85
  4. Step 4: Simplify right side
    18,097.20x = 290,401,696.53
  5. Step 5: Solve for x
    x = 290,401,696.53/18,097.20
  6. Step 6: Final answer
    x = 16,046.78

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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.