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Finding the Fourth Proportional to 33,918.40, 50,877.36 and 10,544.80

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Solution

The fourth proportional to 33,918.40, 50,877.36 and 10,544.80 is: 15,817.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,918.40 : 50,877.36 = 10,544.80 : x
  2. Step 2: Convert to fraction form
    33,918.40/50,877.36 = 10,544.80/x
  3. Step 3: Cross multiply
    33,918.40x = 50,877.36 × 10,544.80
  4. Step 4: Simplify right side
    33,918.40x = 536,491,585.73
  5. Step 5: Solve for x
    x = 536,491,585.73/33,918.40
  6. Step 6: Final answer
    x = 15,817.13

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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.