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Finding the Fourth Proportional to 43,771.44, 65,656.44 and 12,606.60

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Solution

The fourth proportional to 43,771.44, 65,656.44 and 12,606.60 is: 18,909.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,771.44 : 65,656.44 = 12,606.60 : x
  2. Step 2: Convert to fraction form
    43,771.44/65,656.44 = 12,606.60/x
  3. Step 3: Cross multiply
    43,771.44x = 65,656.44 × 12,606.60
  4. Step 4: Simplify right side
    43,771.44x = 827,704,476.50
  5. Step 5: Solve for x
    x = 827,704,476.50/43,771.44
  6. Step 6: Final answer
    x = 18,909.69

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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.