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Finding the Fourth Proportional to 36,841.80, 50,841.36 and 20,074.80

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Solution

The fourth proportional to 36,841.80, 50,841.36 and 20,074.80 is: 27,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,841.80 : 50,841.36 = 20,074.80 : x
  2. Step 2: Convert to fraction form
    36,841.80/50,841.36 = 20,074.80/x
  3. Step 3: Cross multiply
    36,841.80x = 50,841.36 × 20,074.80
  4. Step 4: Simplify right side
    36,841.80x = 1,020,630,133.73
  5. Step 5: Solve for x
    x = 1,020,630,133.73/36,841.80
  6. Step 6: Final answer
    x = 27,703.05

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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.