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Finding the Fourth Proportional to 71,347.28, 107,021.96 and 33,911.17

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Solution

The fourth proportional to 71,347.28, 107,021.96 and 33,911.17 is: 50,867.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,347.28 : 107,021.96 = 33,911.17 : x
  2. Step 2: Convert to fraction form
    71,347.28/107,021.96 = 33,911.17/x
  3. Step 3: Cross multiply
    71,347.28x = 107,021.96 × 33,911.17
  4. Step 4: Simplify right side
    71,347.28x = 3,629,239,696.52
  5. Step 5: Solve for x
    x = 3,629,239,696.52/71,347.28
  6. Step 6: Final answer
    x = 50,867.25

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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.