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Finding the Fourth Proportional to 32,745.44, 45,189.42 and 19,319.96

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Solution

The fourth proportional to 32,745.44, 45,189.42 and 19,319.96 is: 26,661.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,745.44 : 45,189.42 = 19,319.96 : x
  2. Step 2: Convert to fraction form
    32,745.44/45,189.42 = 19,319.96/x
  3. Step 3: Cross multiply
    32,745.44x = 45,189.42 × 19,319.96
  4. Step 4: Simplify right side
    32,745.44x = 873,057,786.82
  5. Step 5: Solve for x
    x = 873,057,786.82/32,745.44
  6. Step 6: Final answer
    x = 26,661.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.