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Finding the Fourth Proportional to 84,511.62, 126,767.31 and 33,933.42

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Solution

The fourth proportional to 84,511.62, 126,767.31 and 33,933.42 is: 50,900.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,511.62 : 126,767.31 = 33,933.42 : x
  2. Step 2: Convert to fraction form
    84,511.62/126,767.31 = 33,933.42/x
  3. Step 3: Cross multiply
    84,511.62x = 126,767.31 × 33,933.42
  4. Step 4: Simplify right side
    84,511.62x = 4,301,648,372.50
  5. Step 5: Solve for x
    x = 4,301,648,372.50/84,511.62
  6. Step 6: Final answer
    x = 50,900.08

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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.