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Finding the Fourth Proportional to 22,518.80, 33,770.09 and 7,723.88

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Solution

The fourth proportional to 22,518.80, 33,770.09 and 7,723.88 is: 11,583.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,518.80 : 33,770.09 = 7,723.88 : x
  2. Step 2: Convert to fraction form
    22,518.80/33,770.09 = 7,723.88/x
  3. Step 3: Cross multiply
    22,518.80x = 33,770.09 × 7,723.88
  4. Step 4: Simplify right side
    22,518.80x = 260,835,973.21
  5. Step 5: Solve for x
    x = 260,835,973.21/22,518.80
  6. Step 6: Final answer
    x = 11,583.03

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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.