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Finding the Fourth Proportional to 18,015.20, 27,022.80 and 16,593.65

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Solution

The fourth proportional to 18,015.20, 27,022.80 and 16,593.65 is: 24,890.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,015.20 : 27,022.80 = 16,593.65 : x
  2. Step 2: Convert to fraction form
    18,015.20/27,022.80 = 16,593.65/x
  3. Step 3: Cross multiply
    18,015.20x = 27,022.80 × 16,593.65
  4. Step 4: Simplify right side
    18,015.20x = 448,406,885.22
  5. Step 5: Solve for x
    x = 448,406,885.22/18,015.20
  6. Step 6: Final answer
    x = 24,890.48

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Double scale
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Similar ratio
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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.