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Finding the Fourth Proportional to 33,989.99, 50,984.99 and 10,618.25

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Solution

The fourth proportional to 33,989.99, 50,984.99 and 10,618.25 is: 15,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,989.99 : 50,984.99 = 10,618.25 : x
  2. Step 2: Convert to fraction form
    33,989.99/50,984.99 = 10,618.25/x
  3. Step 3: Cross multiply
    33,989.99x = 50,984.99 × 10,618.25
  4. Step 4: Simplify right side
    33,989.99x = 541,371,316.98
  5. Step 5: Solve for x
    x = 541,371,316.98/33,989.99
  6. Step 6: Final answer
    x = 15,927.38

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Similar ratio
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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.