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Finding the Fourth Proportional to 22,338.70, 33,511.72 and 7,548.52

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Solution

The fourth proportional to 22,338.70, 33,511.72 and 7,548.52 is: 11,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,338.70 : 33,511.72 = 7,548.52 : x
  2. Step 2: Convert to fraction form
    22,338.70/33,511.72 = 7,548.52/x
  3. Step 3: Cross multiply
    22,338.70x = 33,511.72 × 7,548.52
  4. Step 4: Simplify right side
    22,338.70x = 252,963,888.65
  5. Step 5: Solve for x
    x = 252,963,888.65/22,338.70
  6. Step 6: Final answer
    x = 11,324.02

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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.