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Finding the Fourth Proportional to 21,882.99, 32,824.49 and 17,479.83

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Solution

The fourth proportional to 21,882.99, 32,824.49 and 17,479.83 is: 26,219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,882.99 : 32,824.49 = 17,479.83 : x
  2. Step 2: Convert to fraction form
    21,882.99/32,824.49 = 17,479.83/x
  3. Step 3: Cross multiply
    21,882.99x = 32,824.49 × 17,479.83
  4. Step 4: Simplify right side
    21,882.99x = 573,766,505.04
  5. Step 5: Solve for x
    x = 573,766,505.04/21,882.99
  6. Step 6: Final answer
    x = 26,219.75

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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.