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Finding the Fourth Proportional to 36,039.96, 49,734.68 and 20,124.68

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Solution

The fourth proportional to 36,039.96, 49,734.68 and 20,124.68 is: 27,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,039.96 : 49,734.68 = 20,124.68 : x
  2. Step 2: Convert to fraction form
    36,039.96/49,734.68 = 20,124.68/x
  3. Step 3: Cross multiply
    36,039.96x = 49,734.68 × 20,124.68
  4. Step 4: Simplify right side
    36,039.96x = 1,000,894,519.90
  5. Step 5: Solve for x
    x = 1,000,894,519.90/36,039.96
  6. Step 6: Final answer
    x = 27,771.80

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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.