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Finding the Fourth Proportional to 33,980.99, 50,971.49 and 10,609.43

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Solution

The fourth proportional to 33,980.99, 50,971.49 and 10,609.43 is: 15,914.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,980.99 : 50,971.49 = 10,609.43 : x
  2. Step 2: Convert to fraction form
    33,980.99/50,971.49 = 10,609.43/x
  3. Step 3: Cross multiply
    33,980.99x = 50,971.49 × 10,609.43
  4. Step 4: Simplify right side
    33,980.99x = 540,778,402.10
  5. Step 5: Solve for x
    x = 540,778,402.10/33,980.99
  6. Step 6: Final answer
    x = 15,914.15

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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.