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Finding the Fourth Proportional to 36,704.80, 55,057.20 and 10,410.40

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Solution

The fourth proportional to 36,704.80, 55,057.20 and 10,410.40 is: 15,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,704.80 : 55,057.20 = 10,410.40 : x
  2. Step 2: Convert to fraction form
    36,704.80/55,057.20 = 10,410.40/x
  3. Step 3: Cross multiply
    36,704.80x = 55,057.20 × 10,410.40
  4. Step 4: Simplify right side
    36,704.80x = 573,167,474.88
  5. Step 5: Solve for x
    x = 573,167,474.88/36,704.80
  6. Step 6: Final answer
    x = 15,615.60

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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.