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Finding the Fourth Proportional to 18,297.70, 27,442.44 and 10,904.26

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Solution

The fourth proportional to 18,297.70, 27,442.44 and 10,904.26 is: 16,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.70 : 27,442.44 = 10,904.26 : x
  2. Step 2: Convert to fraction form
    18,297.70/27,442.44 = 10,904.26/x
  3. Step 3: Cross multiply
    18,297.70x = 27,442.44 × 10,904.26
  4. Step 4: Simplify right side
    18,297.70x = 299,239,500.79
  5. Step 5: Solve for x
    x = 299,239,500.79/18,297.70
  6. Step 6: Final answer
    x = 16,353.94

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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.