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Finding the Fourth Proportional to 36,740.80, 55,125.60 and 13,369.60

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Solution

The fourth proportional to 36,740.80, 55,125.60 and 13,369.60 is: 20,059.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,740.80 : 55,125.60 = 13,369.60 : x
  2. Step 2: Convert to fraction form
    36,740.80/55,125.60 = 13,369.60/x
  3. Step 3: Cross multiply
    36,740.80x = 55,125.60 × 13,369.60
  4. Step 4: Simplify right side
    36,740.80x = 737,007,221.76
  5. Step 5: Solve for x
    x = 737,007,221.76/36,740.80
  6. Step 6: Final answer
    x = 20,059.64

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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.