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Finding the Fourth Proportional to 41,706.99, 62,544.78 and 13,620.42

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Solution

The fourth proportional to 41,706.99, 62,544.78 and 13,620.42 is: 20,425.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,706.99 : 62,544.78 = 13,620.42 : x
  2. Step 2: Convert to fraction form
    41,706.99/62,544.78 = 13,620.42/x
  3. Step 3: Cross multiply
    41,706.99x = 62,544.78 × 13,620.42
  4. Step 4: Simplify right side
    41,706.99x = 851,886,172.41
  5. Step 5: Solve for x
    x = 851,886,172.41/41,706.99
  6. Step 6: Final answer
    x = 20,425.50

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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.