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Finding the Fourth Proportional to 22,469.68, 33,709.44 and 6,888.52

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Solution

The fourth proportional to 22,469.68, 33,709.44 and 6,888.52 is: 10,334.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,469.68 : 33,709.44 = 6,888.52 : x
  2. Step 2: Convert to fraction form
    22,469.68/33,709.44 = 6,888.52/x
  3. Step 3: Cross multiply
    22,469.68x = 33,709.44 × 6,888.52
  4. Step 4: Simplify right side
    22,469.68x = 232,208,151.63
  5. Step 5: Solve for x
    x = 232,208,151.63/22,469.68
  6. Step 6: Final answer
    x = 10,334.29

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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.