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Finding the Fourth Proportional to 33,672.60, 50,508.90 and 21,862.80

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Solution

The fourth proportional to 33,672.60, 50,508.90 and 21,862.80 is: 32,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,672.60 : 50,508.90 = 21,862.80 : x
  2. Step 2: Convert to fraction form
    33,672.60/50,508.90 = 21,862.80/x
  3. Step 3: Cross multiply
    33,672.60x = 50,508.90 × 21,862.80
  4. Step 4: Simplify right side
    33,672.60x = 1,104,265,978.92
  5. Step 5: Solve for x
    x = 1,104,265,978.92/33,672.60
  6. Step 6: Final answer
    x = 32,794.20

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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.