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Finding the Fourth Proportional to 37,304.40, 55,940.40 and 12,334.80

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Solution

The fourth proportional to 37,304.40, 55,940.40 and 12,334.80 is: 18,496.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,304.40 : 55,940.40 = 12,334.80 : x
  2. Step 2: Convert to fraction form
    37,304.40/55,940.40 = 12,334.80/x
  3. Step 3: Cross multiply
    37,304.40x = 55,940.40 × 12,334.80
  4. Step 4: Simplify right side
    37,304.40x = 690,013,645.92
  5. Step 5: Solve for x
    x = 690,013,645.92/37,304.40
  6. Step 6: Final answer
    x = 18,496.84

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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.