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Finding the Fourth Proportional to 33,793.60, 50,719.20 and 15,102.40

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Solution

The fourth proportional to 33,793.60, 50,719.20 and 15,102.40 is: 22,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,793.60 : 50,719.20 = 15,102.40 : x
  2. Step 2: Convert to fraction form
    33,793.60/50,719.20 = 15,102.40/x
  3. Step 3: Cross multiply
    33,793.60x = 50,719.20 × 15,102.40
  4. Step 4: Simplify right side
    33,793.60x = 765,981,646.08
  5. Step 5: Solve for x
    x = 765,981,646.08/33,793.60
  6. Step 6: Final answer
    x = 22,666.47

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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.