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Finding the Fourth Proportional to 36,620.90, 50,536.90 and 19,853.90

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Solution

The fourth proportional to 36,620.90, 50,536.90 and 19,853.90 is: 27,398.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,620.90 : 50,536.90 = 19,853.90 : x
  2. Step 2: Convert to fraction form
    36,620.90/50,536.90 = 19,853.90/x
  3. Step 3: Cross multiply
    36,620.90x = 50,536.90 × 19,853.90
  4. Step 4: Simplify right side
    36,620.90x = 1,003,354,558.91
  5. Step 5: Solve for x
    x = 1,003,354,558.91/36,620.90
  6. Step 6: Final answer
    x = 27,398.41

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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.