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Finding the Fourth Proportional to 18,149.99, 27,232.03 and 7,064.47

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Solution

The fourth proportional to 18,149.99, 27,232.03 and 7,064.47 is: 10,599.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,149.99 : 27,232.03 = 7,064.47 : x
  2. Step 2: Convert to fraction form
    18,149.99/27,232.03 = 7,064.47/x
  3. Step 3: Cross multiply
    18,149.99x = 27,232.03 × 7,064.47
  4. Step 4: Simplify right side
    18,149.99x = 192,379,799.72
  5. Step 5: Solve for x
    x = 192,379,799.72/18,149.99
  6. Step 6: Final answer
    x = 10,599.44

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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.