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Finding the Fourth Proportional to 63,239.99, 87,289.40 and 41,745.44

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Solution

The fourth proportional to 63,239.99, 87,289.40 and 41,745.44 is: 57,620.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,239.99 : 87,289.40 = 41,745.44 : x
  2. Step 2: Convert to fraction form
    63,239.99/87,289.40 = 41,745.44/x
  3. Step 3: Cross multiply
    63,239.99x = 87,289.40 × 41,745.44
  4. Step 4: Simplify right side
    63,239.99x = 3,643,934,201.61
  5. Step 5: Solve for x
    x = 3,643,934,201.61/63,239.99
  6. Step 6: Final answer
    x = 57,620.73

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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.