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Finding the Fourth Proportional to 36,506.71, 50,378.96 and 21,194.68

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Solution

The fourth proportional to 36,506.71, 50,378.96 and 21,194.68 is: 29,248.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,506.71 : 50,378.96 = 21,194.68 : x
  2. Step 2: Convert to fraction form
    36,506.71/50,378.96 = 21,194.68/x
  3. Step 3: Cross multiply
    36,506.71x = 50,378.96 × 21,194.68
  4. Step 4: Simplify right side
    36,506.71x = 1,067,765,704.01
  5. Step 5: Solve for x
    x = 1,067,765,704.01/36,506.71
  6. Step 6: Final answer
    x = 29,248.48

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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.