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Finding the Fourth Proportional to 71,976.75, 99,301.14 and 41,745.12

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Solution

The fourth proportional to 71,976.75, 99,301.14 and 41,745.12 is: 57,592.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,976.75 : 99,301.14 = 41,745.12 : x
  2. Step 2: Convert to fraction form
    71,976.75/99,301.14 = 41,745.12/x
  3. Step 3: Cross multiply
    71,976.75x = 99,301.14 × 41,745.12
  4. Step 4: Simplify right side
    71,976.75x = 4,145,338,005.44
  5. Step 5: Solve for x
    x = 4,145,338,005.44/71,976.75
  6. Step 6: Final answer
    x = 57,592.74

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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.