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Finding the Fourth Proportional to 71,398.82, 107,018.03 and 33,928.22

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Solution

The fourth proportional to 71,398.82, 107,018.03 and 33,928.22 is: 50,854.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,398.82 : 107,018.03 = 33,928.22 : x
  2. Step 2: Convert to fraction form
    71,398.82/107,018.03 = 33,928.22/x
  3. Step 3: Cross multiply
    71,398.82x = 107,018.03 × 33,928.22
  4. Step 4: Simplify right side
    71,398.82x = 3,630,930,815.54
  5. Step 5: Solve for x
    x = 3,630,930,815.54/71,398.82
  6. Step 6: Final answer
    x = 50,854.22

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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.