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Finding the Fourth Proportional to 71,369.54, 107,056.74 and 33,910.28

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Solution

The fourth proportional to 71,369.54, 107,056.74 and 33,910.28 is: 50,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,369.54 : 107,056.74 = 33,910.28 : x
  2. Step 2: Convert to fraction form
    71,369.54/107,056.74 = 33,910.28/x
  3. Step 3: Cross multiply
    71,369.54x = 107,056.74 × 33,910.28
  4. Step 4: Simplify right side
    71,369.54x = 3,630,324,029.29
  5. Step 5: Solve for x
    x = 3,630,324,029.29/71,369.54
  6. Step 6: Final answer
    x = 50,866.57

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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.