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Finding the Fourth Proportional to 37,336.80, 55,843.20 and 33,416.40

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Solution

The fourth proportional to 37,336.80, 55,843.20 and 33,416.40 is: 49,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,336.80 : 55,843.20 = 33,416.40 : x
  2. Step 2: Convert to fraction form
    37,336.80/55,843.20 = 33,416.40/x
  3. Step 3: Cross multiply
    37,336.80x = 55,843.20 × 33,416.40
  4. Step 4: Simplify right side
    37,336.80x = 1,866,078,708.48
  5. Step 5: Solve for x
    x = 1,866,078,708.48/37,336.80
  6. Step 6: Final answer
    x = 49,979.61

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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.