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Finding the Fourth Proportional to 37,244.40, 55,850.40 and 12,274.80

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Solution

The fourth proportional to 37,244.40, 55,850.40 and 12,274.80 is: 18,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,244.40 : 55,850.40 = 12,274.80 : x
  2. Step 2: Convert to fraction form
    37,244.40/55,850.40 = 12,274.80/x
  3. Step 3: Cross multiply
    37,244.40x = 55,850.40 × 12,274.80
  4. Step 4: Simplify right side
    37,244.40x = 685,552,489.92
  5. Step 5: Solve for x
    x = 685,552,489.92/37,244.40
  6. Step 6: Final answer
    x = 18,406.86

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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.