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Finding the Fourth Proportional to 21,363.08, 32,049.42 and 7,324.04

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Solution

The fourth proportional to 21,363.08, 32,049.42 and 7,324.04 is: 10,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.08 : 32,049.42 = 7,324.04 : x
  2. Step 2: Convert to fraction form
    21,363.08/32,049.42 = 7,324.04/x
  3. Step 3: Cross multiply
    21,363.08x = 32,049.42 × 7,324.04
  4. Step 4: Simplify right side
    21,363.08x = 234,731,234.06
  5. Step 5: Solve for x
    x = 234,731,234.06/21,363.08
  6. Step 6: Final answer
    x = 10,987.71

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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.