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Finding the Fourth Proportional to 33,465.25, 50,158.99 and 13,719.88

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Solution

The fourth proportional to 33,465.25, 50,158.99 and 13,719.88 is: 20,563.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,465.25 : 50,158.99 = 13,719.88 : x
  2. Step 2: Convert to fraction form
    33,465.25/50,158.99 = 13,719.88/x
  3. Step 3: Cross multiply
    33,465.25x = 50,158.99 × 13,719.88
  4. Step 4: Simplify right side
    33,465.25x = 688,175,323.72
  5. Step 5: Solve for x
    x = 688,175,323.72/33,465.25
  6. Step 6: Final answer
    x = 20,563.88

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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.