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Finding the Fourth Proportional to 54,005.70, 80,911.35 and 44,091.30

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Solution

The fourth proportional to 54,005.70, 80,911.35 and 44,091.30 is: 66,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,005.70 : 80,911.35 = 44,091.30 : x
  2. Step 2: Convert to fraction form
    54,005.70/80,911.35 = 44,091.30/x
  3. Step 3: Cross multiply
    54,005.70x = 80,911.35 × 44,091.30
  4. Step 4: Simplify right side
    54,005.70x = 3,567,486,606.26
  5. Step 5: Solve for x
    x = 3,567,486,606.26/54,005.70
  6. Step 6: Final answer
    x = 66,057.59

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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.