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Finding the Fourth Proportional to 22,089.84, 33,148.44 and 8,942.34

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Solution

The fourth proportional to 22,089.84, 33,148.44 and 8,942.34 is: 13,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,089.84 : 33,148.44 = 8,942.34 : x
  2. Step 2: Convert to fraction form
    22,089.84/33,148.44 = 8,942.34/x
  3. Step 3: Cross multiply
    22,089.84x = 33,148.44 × 8,942.34
  4. Step 4: Simplify right side
    22,089.84x = 296,424,620.95
  5. Step 5: Solve for x
    x = 296,424,620.95/22,089.84
  6. Step 6: Final answer
    x = 13,419.05

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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.