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Finding the Fourth Proportional to 71,452.40, 107,151.14 and 33,983.60

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Solution

The fourth proportional to 71,452.40, 107,151.14 and 33,983.60 is: 50,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,452.40 : 107,151.14 = 33,983.60 : x
  2. Step 2: Convert to fraction form
    71,452.40/107,151.14 = 33,983.60/x
  3. Step 3: Cross multiply
    71,452.40x = 107,151.14 × 33,983.60
  4. Step 4: Simplify right side
    71,452.40x = 3,641,381,481.30
  5. Step 5: Solve for x
    x = 3,641,381,481.30/71,452.40
  6. Step 6: Final answer
    x = 50,962.34

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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.