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Finding the Fourth Proportional to 36,513.21, 50,388.21 and 19,746.21

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Solution

The fourth proportional to 36,513.21, 50,388.21 and 19,746.21 is: 27,249.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,513.21 : 50,388.21 = 19,746.21 : x
  2. Step 2: Convert to fraction form
    36,513.21/50,388.21 = 19,746.21/x
  3. Step 3: Cross multiply
    36,513.21x = 50,388.21 × 19,746.21
  4. Step 4: Simplify right side
    36,513.21x = 994,976,176.18
  5. Step 5: Solve for x
    x = 994,976,176.18/36,513.21
  6. Step 6: Final answer
    x = 27,249.76

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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.