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Finding the Fourth Proportional to 21,581.03, 32,371.61 and 5,998.65

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Solution

The fourth proportional to 21,581.03, 32,371.61 and 5,998.65 is: 8,997.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581.03 : 32,371.61 = 5,998.65 : x
  2. Step 2: Convert to fraction form
    21,581.03/32,371.61 = 5,998.65/x
  3. Step 3: Cross multiply
    21,581.03x = 32,371.61 × 5,998.65
  4. Step 4: Simplify right side
    21,581.03x = 194,185,958.33
  5. Step 5: Solve for x
    x = 194,185,958.33/21,581.03
  6. Step 6: Final answer
    x = 8,997.99

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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.