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Finding the Fourth Proportional to 33,651.60, 50,483.52 and 13,919.44

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Solution

The fourth proportional to 33,651.60, 50,483.52 and 13,919.44 is: 20,881.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,651.60 : 50,483.52 = 13,919.44 : x
  2. Step 2: Convert to fraction form
    33,651.60/50,483.52 = 13,919.44/x
  3. Step 3: Cross multiply
    33,651.60x = 50,483.52 × 13,919.44
  4. Step 4: Simplify right side
    33,651.60x = 702,702,327.63
  5. Step 5: Solve for x
    x = 702,702,327.63/33,651.60
  6. Step 6: Final answer
    x = 20,881.69

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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.