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Finding the Fourth Proportional to 33,459.84, 50,181.34 and 13,743.84

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Solution

The fourth proportional to 33,459.84, 50,181.34 and 13,743.84 is: 20,612.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,459.84 : 50,181.34 = 13,743.84 : x
  2. Step 2: Convert to fraction form
    33,459.84/50,181.34 = 13,743.84/x
  3. Step 3: Cross multiply
    33,459.84x = 50,181.34 × 13,743.84
  4. Step 4: Simplify right side
    33,459.84x = 689,684,307.95
  5. Step 5: Solve for x
    x = 689,684,307.95/33,459.84
  6. Step 6: Final answer
    x = 20,612.30

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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.