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Finding the Fourth Proportional to 36,392.60, 50,217.72 and 20,476.72

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Solution

The fourth proportional to 36,392.60, 50,217.72 and 20,476.72 is: 28,255.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.60 : 50,217.72 = 20,476.72 : x
  2. Step 2: Convert to fraction form
    36,392.60/50,217.72 = 20,476.72/x
  3. Step 3: Cross multiply
    36,392.60x = 50,217.72 × 20,476.72
  4. Step 4: Simplify right side
    36,392.60x = 1,028,294,191.48
  5. Step 5: Solve for x
    x = 1,028,294,191.48/36,392.60
  6. Step 6: Final answer
    x = 28,255.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.