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Finding the Fourth Proportional to 33,428.70, 50,143.05 and 14,960.70

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Solution

The fourth proportional to 33,428.70, 50,143.05 and 14,960.70 is: 22,441.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,428.70 : 50,143.05 = 14,960.70 : x
  2. Step 2: Convert to fraction form
    33,428.70/50,143.05 = 14,960.70/x
  3. Step 3: Cross multiply
    33,428.70x = 50,143.05 × 14,960.70
  4. Step 4: Simplify right side
    33,428.70x = 750,175,128.14
  5. Step 5: Solve for x
    x = 750,175,128.14/33,428.70
  6. Step 6: Final answer
    x = 22,441.05

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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.