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Finding the Fourth Proportional to 34,384.80, 51,519.60 and 16,816.80

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Solution

The fourth proportional to 34,384.80, 51,519.60 and 16,816.80 is: 25,197.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,384.80 : 51,519.60 = 16,816.80 : x
  2. Step 2: Convert to fraction form
    34,384.80/51,519.60 = 16,816.80/x
  3. Step 3: Cross multiply
    34,384.80x = 51,519.60 × 16,816.80
  4. Step 4: Simplify right side
    34,384.80x = 866,394,809.28
  5. Step 5: Solve for x
    x = 866,394,809.28/34,384.80
  6. Step 6: Final answer
    x = 25,197.03

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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.