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Finding the Fourth Proportional to 17,245.98, 25,860.78 and 7,883.22

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Solution

The fourth proportional to 17,245.98, 25,860.78 and 7,883.22 is: 11,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,245.98 : 25,860.78 = 7,883.22 : x
  2. Step 2: Convert to fraction form
    17,245.98/25,860.78 = 7,883.22/x
  3. Step 3: Cross multiply
    17,245.98x = 25,860.78 × 7,883.22
  4. Step 4: Simplify right side
    17,245.98x = 203,866,218.11
  5. Step 5: Solve for x
    x = 203,866,218.11/17,245.98
  6. Step 6: Final answer
    x = 11,821.09

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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.