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Finding the Fourth Proportional to 54,004.70, 80,909.85 and 44,090.30

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Solution

The fourth proportional to 54,004.70, 80,909.85 and 44,090.30 is: 66,056.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,004.70 : 80,909.85 = 44,090.30 : x
  2. Step 2: Convert to fraction form
    54,004.70/80,909.85 = 44,090.30/x
  3. Step 3: Cross multiply
    54,004.70x = 80,909.85 × 44,090.30
  4. Step 4: Simplify right side
    54,004.70x = 3,567,339,559.46
  5. Step 5: Solve for x
    x = 3,567,339,559.46/54,004.70
  6. Step 6: Final answer
    x = 66,056.09

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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.