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Finding the Fourth Proportional to 41,851.49, 62,786.48 and 13,780.22

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Solution

The fourth proportional to 41,851.49, 62,786.48 and 13,780.22 is: 20,673.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,851.49 : 62,786.48 = 13,780.22 : x
  2. Step 2: Convert to fraction form
    41,851.49/62,786.48 = 13,780.22/x
  3. Step 3: Cross multiply
    41,851.49x = 62,786.48 × 13,780.22
  4. Step 4: Simplify right side
    41,851.49x = 865,211,124.59
  5. Step 5: Solve for x
    x = 865,211,124.59/41,851.49
  6. Step 6: Final answer
    x = 20,673.37

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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.