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Finding the Fourth Proportional to 36,505.49, 50,331.92 and 30,464.42

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Solution

The fourth proportional to 36,505.49, 50,331.92 and 30,464.42 is: 42,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,505.49 : 50,331.92 = 30,464.42 : x
  2. Step 2: Convert to fraction form
    36,505.49/50,331.92 = 30,464.42/x
  3. Step 3: Cross multiply
    36,505.49x = 50,331.92 × 30,464.42
  4. Step 4: Simplify right side
    36,505.49x = 1,533,332,629.42
  5. Step 5: Solve for x
    x = 1,533,332,629.42/36,505.49
  6. Step 6: Final answer
    x = 42,002.80

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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.