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Finding the Fourth Proportional to 33,807.70, 50,716.35 and 10,431.70

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Solution

The fourth proportional to 33,807.70, 50,716.35 and 10,431.70 is: 15,649.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,807.70 : 50,716.35 = 10,431.70 : x
  2. Step 2: Convert to fraction form
    33,807.70/50,716.35 = 10,431.70/x
  3. Step 3: Cross multiply
    33,807.70x = 50,716.35 × 10,431.70
  4. Step 4: Simplify right side
    33,807.70x = 529,057,748.30
  5. Step 5: Solve for x
    x = 529,057,748.30/33,807.70
  6. Step 6: Final answer
    x = 15,649.03

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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.