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Finding the Fourth Proportional to 33,905.99, 50,840.43 and 14,169.63

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Solution

The fourth proportional to 33,905.99, 50,840.43 and 14,169.63 is: 21,246.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,905.99 : 50,840.43 = 14,169.63 : x
  2. Step 2: Convert to fraction form
    33,905.99/50,840.43 = 14,169.63/x
  3. Step 3: Cross multiply
    33,905.99x = 50,840.43 × 14,169.63
  4. Step 4: Simplify right side
    33,905.99x = 720,390,082.14
  5. Step 5: Solve for x
    x = 720,390,082.14/33,905.99
  6. Step 6: Final answer
    x = 21,246.69

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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.