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Finding the Fourth Proportional to 15,902.20, 23,832.90 and 8,882.20

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Solution

The fourth proportional to 15,902.20, 23,832.90 and 8,882.20 is: 13,311.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,902.20 : 23,832.90 = 8,882.20 : x
  2. Step 2: Convert to fraction form
    15,902.20/23,832.90 = 8,882.20/x
  3. Step 3: Cross multiply
    15,902.20x = 23,832.90 × 8,882.20
  4. Step 4: Simplify right side
    15,902.20x = 211,688,584.38
  5. Step 5: Solve for x
    x = 211,688,584.38/15,902.20
  6. Step 6: Final answer
    x = 13,311.91

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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.