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Finding the Fourth Proportional to 36,513.88, 50,389.30 and 19,746.88

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Solution

The fourth proportional to 36,513.88, 50,389.30 and 19,746.88 is: 27,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,513.88 : 50,389.30 = 19,746.88 : x
  2. Step 2: Convert to fraction form
    36,513.88/50,389.30 = 19,746.88/x
  3. Step 3: Cross multiply
    36,513.88x = 50,389.30 × 19,746.88
  4. Step 4: Simplify right side
    36,513.88x = 995,031,556.35
  5. Step 5: Solve for x
    x = 995,031,556.35/36,513.88
  6. Step 6: Final answer
    x = 27,250.78

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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.