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Finding the Fourth Proportional to 33,798.10, 50,679.78 and 19,761.22

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Solution

The fourth proportional to 33,798.10, 50,679.78 and 19,761.22 is: 29,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,798.10 : 50,679.78 = 19,761.22 : x
  2. Step 2: Convert to fraction form
    33,798.10/50,679.78 = 19,761.22/x
  3. Step 3: Cross multiply
    33,798.10x = 50,679.78 × 19,761.22
  4. Step 4: Simplify right side
    33,798.10x = 1,001,494,282.13
  5. Step 5: Solve for x
    x = 1,001,494,282.13/33,798.10
  6. Step 6: Final answer
    x = 29,631.67

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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.