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Finding the Fourth Proportional to 33,216.60, 49,824.90 and 19,219.80

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Solution

The fourth proportional to 33,216.60, 49,824.90 and 19,219.80 is: 28,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,216.60 : 49,824.90 = 19,219.80 : x
  2. Step 2: Convert to fraction form
    33,216.60/49,824.90 = 19,219.80/x
  3. Step 3: Cross multiply
    33,216.60x = 49,824.90 × 19,219.80
  4. Step 4: Simplify right side
    33,216.60x = 957,624,613.02
  5. Step 5: Solve for x
    x = 957,624,613.02/33,216.60
  6. Step 6: Final answer
    x = 28,829.70

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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.