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Finding the Fourth Proportional to 70,523.82, 105,786.90 and 33,063.30

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Solution

The fourth proportional to 70,523.82, 105,786.90 and 33,063.30 is: 49,595.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,523.82 : 105,786.90 = 33,063.30 : x
  2. Step 2: Convert to fraction form
    70,523.82/105,786.90 = 33,063.30/x
  3. Step 3: Cross multiply
    70,523.82x = 105,786.90 × 33,063.30
  4. Step 4: Simplify right side
    70,523.82x = 3,497,664,010.77
  5. Step 5: Solve for x
    x = 3,497,664,010.77/70,523.82
  6. Step 6: Final answer
    x = 49,595.50

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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.