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Finding the Fourth Proportional to 36,173.50, 49,919.77 and 20,041.15

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Solution

The fourth proportional to 36,173.50, 49,919.77 and 20,041.15 is: 27,656.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,173.50 : 49,919.77 = 20,041.15 : x
  2. Step 2: Convert to fraction form
    36,173.50/49,919.77 = 20,041.15/x
  3. Step 3: Cross multiply
    36,173.50x = 49,919.77 × 20,041.15
  4. Step 4: Simplify right side
    36,173.50x = 1,000,449,598.54
  5. Step 5: Solve for x
    x = 1,000,449,598.54/36,173.50
  6. Step 6: Final answer
    x = 27,656.98

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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.