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Finding the Fourth Proportional to 36,843.80, 55,200.90 and 30,234.20

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Solution

The fourth proportional to 36,843.80, 55,200.90 and 30,234.20 is: 45,298.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,843.80 : 55,200.90 = 30,234.20 : x
  2. Step 2: Convert to fraction form
    36,843.80/55,200.90 = 30,234.20/x
  3. Step 3: Cross multiply
    36,843.80x = 55,200.90 × 30,234.20
  4. Step 4: Simplify right side
    36,843.80x = 1,668,955,050.78
  5. Step 5: Solve for x
    x = 1,668,955,050.78/36,843.80
  6. Step 6: Final answer
    x = 45,298.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.