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Finding the Fourth Proportional to 71,407.96, 107,126.96 and 27,033.73

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Solution

The fourth proportional to 71,407.96, 107,126.96 and 27,033.73 is: 40,556.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,407.96 : 107,126.96 = 27,033.73 : x
  2. Step 2: Convert to fraction form
    71,407.96/107,126.96 = 27,033.73/x
  3. Step 3: Cross multiply
    71,407.96x = 107,126.96 × 27,033.73
  4. Step 4: Simplify right side
    71,407.96x = 2,896,040,909.37
  5. Step 5: Solve for x
    x = 2,896,040,909.37/71,407.96
  6. Step 6: Final answer
    x = 40,556.28

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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.