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Finding the Fourth Proportional to 36,392.49, 50,224.05 and 20,478.02

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Solution

The fourth proportional to 36,392.49, 50,224.05 and 20,478.02 is: 28,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,392.49 : 50,224.05 = 20,478.02 : x
  2. Step 2: Convert to fraction form
    36,392.49/50,224.05 = 20,478.02/x
  3. Step 3: Cross multiply
    36,392.49x = 50,224.05 × 20,478.02
  4. Step 4: Simplify right side
    36,392.49x = 1,028,488,849.26
  5. Step 5: Solve for x
    x = 1,028,488,849.26/36,392.49
  6. Step 6: Final answer
    x = 28,261.02

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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.