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Finding the Fourth Proportional to 22,559.08, 33,842.22 and 7,764.34

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Solution

The fourth proportional to 22,559.08, 33,842.22 and 7,764.34 is: 11,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,559.08 : 33,842.22 = 7,764.34 : x
  2. Step 2: Convert to fraction form
    22,559.08/33,842.22 = 7,764.34/x
  3. Step 3: Cross multiply
    22,559.08x = 33,842.22 × 7,764.34
  4. Step 4: Simplify right side
    22,559.08x = 262,762,502.43
  5. Step 5: Solve for x
    x = 262,762,502.43/22,559.08
  6. Step 6: Final answer
    x = 11,647.75

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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.