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Finding the Fourth Proportional to 17,610.80, 26,425.80 and 7,223.60

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Solution

The fourth proportional to 17,610.80, 26,425.80 and 7,223.60 is: 10,839.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,610.80 : 26,425.80 = 7,223.60 : x
  2. Step 2: Convert to fraction form
    17,610.80/26,425.80 = 7,223.60/x
  3. Step 3: Cross multiply
    17,610.80x = 26,425.80 × 7,223.60
  4. Step 4: Simplify right side
    17,610.80x = 190,889,408.88
  5. Step 5: Solve for x
    x = 190,889,408.88/17,610.80
  6. Step 6: Final answer
    x = 10,839.34

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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.